It rotates on a tilted axis, just like the Earth does, so it has four different seasons. 2197) or select either the 'KMZ with Images' or 'KMZ for the Web' output format. earth - traduction anglais-français. Earthwatch combines volunteer opportunities for individuals from all walks of life with scientific research expeditions to conserve wildlife and the environment. We break down the best movies, celebrity trivia, and where your favorite child stars are now!. Space Facts. earth meaning: 1. However, it was not until the publication of The Lord of the Ringsthat readers received their first. EARTH University and EARTH University Foundation (collectively "EARTH University") respects the privacy of our online visitors. Use our advanced search page; Browse our curated A-Z index of terms and topics or see our automated list of website topics; Search frequently asked questions or submit a question. Those are all acts of God, one may argue, but us humans don’t make it any easier on mother earth. More information. Water can be in the atmosphere, on the land, in the ocean, and even underground. AMAZING FACTS about Our Solar System : The solar system includes the Sun, the nine planets and their 158 presently known moons. It also includes asteroids, meteoroids, comets and interplanetary dust. Join us in demanding a 0 net carbon 0 extreme poverty future. It can resemble clay like material during the landslide which brings in more infusions of water into the landslides. From grammar and spelling to style and tone, Grammarly helps you eliminate errors and find the perfect words to express yourself. To save the human civilization, scientists draw up an escape plan that will bring the whole human race from danger. Live world statistics on population, government and economics, society and media, environment, food, water, energy and health. Humboldt Croatan Earth First! Earth First! UK. earth is cool so is bacon if there was no earth there would be no bacon so earth must survive. 1MRS756411 Restricted Earth-Fault Protection in REF 542plus. A NASA camera on the Deep Space Climate Observatory satellite took this picture of the entire sunlit side of Earth from one million miles away. Enjoy our fun science facts for kids. Pygmy sloths, Komodo dragons and other strange and resourceful creatures navigate the unique challenges of island life. Earth also turns around in space, so that different parts face the Sun at different times. Earth Day is celebrated April 22nd. The diameter of the earth is 7,917 miles (12, 742 kilometers). You will find free printable crafts and activities with easy to follow instructions, and related resources. Moon phases and the moon's orbit are mysteries to many. Translate Earth. On behalf of all the children, staff and Governors, I’d like to warmly welcome you to the Woodlands Primary School website. A thorough study of rocks, soil, and fossils will give your child ample proofs that this earth was created by God and not evolutionary processes. and Spanish to English translators. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Which year did Earth Day become a worldwide event? 1970 1990 2009. Maybe you are thinking "Can we throw garbage to the space. EARTHLINGS is a 2005 American documentary film about humankind's total dependence on animals for economic purposes. Space Facts. FACTSlides is an endless stream of amazing facts presented as colorful and animated slides. To save the human civilization, scientists draw up an escape plan that will bring the whole human race from danger. Any of the virtual tours listed will supply hours of lessons. Man has been using and misusing. In order to meet the needs of these different communities, NASA’s Earth Observing System Data and Information System (EOSDIS) has provided various ways to discover, access, and use the data. The density of Earth differs in each part of the planet - the core, for example, is denser than the Earth's crust - but the average density of the planet is around 5. 52 grams per cubic centimetre. It is the home of the Dragon Team and the main setting for the entire Dragon Ball series. The Channel Tunnel - interesting facts. With the help of over 7,000 of the world’s best wildlife filmmakers and photographers, conservationists and scientists, Arkive. Earth’s name in English, the international language of astronomy, derives from Old English and Germanic words for ground and earth, and it is the only name for a planet of the solar system that does not come from Greco-Roman mythology. Link TV broadcasts programs that engage, educate and activate viewers to become involved in the world. the planet third in order of distance from the sun, between Venus and Mars; the world on which…. Earth Day, which was established in 1970 in the US, is celebrated on 22nd April each year. It rotates on a tilted axis, just like the Earth does, so it has four different seasons. The amazing things about Google Earth. Editor's Note: this list was originally published in 2012. 1 day ago · LONDON (AP) — The rights to broadcast Champions League games in Britain have been retained by BT Sport for another three seasons in a deal worth more than $1. Charles Darwin’s education at both Edinburg and Cambridge was never as a geologist, but he found himself studying the geological structures because of his natural curiosity for science. Water vapor condenses into millions of tiny droplets that form clouds. Don't worry about how you will keep the little ones productively engaged when school is on a break. The English Channel is a part of the Atlantic Ocean, and it separates the island of Britain (part of the UK) from northern France and joins the North Sea to the Atlantic Ocean. and the nature of English doesn't suit for the common language system. crust - brainsanswers. com - Free Full Episodes, Clips, Show Info and TV Listings Guide Search. – Maggie Partners receive an inbox every Tuesday morning with timely and engaging material ready to download and share with students; The program and ancillary materials are developed by a top shelf team of educators who know what they are doing. The gravity on the moon is one-sixth of the Earth's gravity. 5 billion years old. The Earth Foundation offers this collection of resources. Users wishing to rely upon this information should consult directly with the source of the information. With the help of over 7,000 of the world’s best wildlife filmmakers and photographers, conservationists and scientists, Arkive. video on warming, 1880-2018. 5 billion years old! 3. There's no better way to teach kids interesting geography facts and trivia than by engaging them with exciting geography activities. In 2009, we built the first collection of free online college courses from the world’s top universities. As the second-brightest natural object in the night sky after the Moon , Venus can cast shadows and, rarely, is visible to the naked eye in broad daylight. 26 days, and having one satellite. this is 101 Facts About The Earth! Subscribe to 101 English Location. We are so dirty. Set off on a unique adventure by rolling the dice and hopping between random locations. Its interior has one of the lowest rainfalls in the world and about three-quarters of the land is arid or semi-arid. 9345 hours for the Earth rotate a complete revolution. Earth is a fantastic and most loved planet in the Solar System. Buy trees and give a gift of trees through our Trees in Memory and Trees for America programs. You probably have lots of interesting facts rattling around in your brain, but here are 10 more interesting facts about Earth that you may, or may not know. Bonus Facts: Translations of the Bible into English was one of the earliest recorded use of the name Earth - " God called the dry land Earth, and the waters that were gathered together he called Seas. Welcome to this episode of 101 facts where we’re looking at something that should be close to all of our hearts. Visit all nine planets and discover if NEOs are a threat to Earth. Earth & Space Science Resources. Coordinated by WWF and other volunteer organisations, Earth Hour’s greatest strength is the power of people. Languages of Middle-Earth. Due to Earth's axial precession, the positions of Earth's celestial poles shift gradually in a cycle of approximately 26000 years. The earth is under those cities and towns. UK Space Agency is an executive agency, sponsored by the. And God saw that it was good. This rule is still followed in German writing today. ABSTRACT: In this particular small-scale survey, questionnaires were sent to 50 students majoring in English and interviews with 4 teachers teaching English writing in vocational colleges were used to collect data. Pygmy sloths, Komodo dragons and other strange and resourceful creatures navigate the unique challenges of island life. Notice to Teachers, June 2017 Regents Examination in Physical Setting/Earth Science, Chinese Edition, only, Question 81, only (64 KB) Notice to Teachers, June 2017 Regents Examination in Physical Setting/Earth Science, Large-Type Edition, only, Question 43, only (19 KB). Sweet Earth was founded on the principles of this ancient tradition: a plant-based diet can feed our minds and bodies. The Earth's atmosphere is an extremely thin sheet of air extending from the surface of the Earth to the edge of space, about 60 miles above the surface of the Earth. The remaining 30% is the solid ground, rising above sea level. In English, proper nouns (nouns which signify a particular person, place, or thing) are capitalized. Directed by Frant Gwo. See 9 authoritative translations of Earth in Spanish with example sentences, phrases and audio pronunciations. Deforestation will have increasingly serious consequences for biodiversity, humans, and climate. Welcome to the languages section of CoE. It's approximately 350 miles long, and at its narrowest in the Strait of Dover. The earth is the only planet known to man where life exists and we are the proud owners of such a precious planet. BBC Earth has moved. Visit NASA Space Place for more kid-friendly facts. Small Asteroid of Concern will Safely Pass Next Month 2019-08-15. While some people celebrate Earth Day around the time of the March Equinox, others observe the occasion on April 22 each year. The name Earth came from the Old English word, 'Ertha,' which means 'ground' or 'soil. Interesting statistics with world population clock, forest loss this year, carbon dioxide co2 emission, world hunger data, energy consumed, and a lot more. What day is Earth Day? March 15th April 22nd. Visit us at our new home - BBCEarth. Cities, towns, homes, schools, cars, roads, and computers are all made by man. By fostering a meaningful connection to their local environment through outdoor play, children are more likely to grow into life-long environmental stewards. Maggie’s Earth Adventures and the weekly program are free…and we’re not kidding; T. Question: How old is the Earth? Answer: Scientists are constantly learning more about the Earth's history, but they believe it is approximately 4. Patrick's Day, Thanksgiving, Presidents' Day, Hanukkah, New Year's Eve and more. He was said to be “self-taught” in the concepts of geological phenomena and structures. Featured Posts. Friends of the Earth is a bold voice for justice and the planet. The moon is the second largest object in the night sky from Earth's perspective, and it would have been noticeable to our ancestors of ancient times. 000 years ago. Our home planet is also the only world with a name not derived from Greek/Roman mythology. The Woodlands schools were established over fifty years ago and have earned a reputation for providing an excellent and rounded education for children in North Tonbridge. 26 days, and having one satellite. this is 101 Facts About The Earth! Subscribe to 101 English Location. Know a thing or two about Earth and the Environment? Take the Earth Day quiz. It's a beautiful day and all Miranda can think about is riding her bike in the park with her best friend Meredith, but Meredith has plans to plant trees for Earth Day. Editor's Note: this list was originally published in 2012. Because we throw lots of garbage to the nature. FACTSlides is an endless stream of amazing facts presented as colorful and animated slides. Information professionals are skilled in the organization and retrieval of recorded knowledge. Thror’s map, in English, can be considered to be a representation of the ‘real’ Middle-earth letter-ing(presumablyTengwar)in the CommonSpeech, the Anglo-Saxon runes stand in for ‘authentic’ Dwarvish lettering, also in the Common Speech. The atmosphere also protects us from incoming meteoroids, most of which break up before they can hit the surface. Get official travel information, maps, itineraries, activities & accommodation to help you plan your next holiday to New Zealand. Updated daily. the planet third in order of distance from the sun, between Venus and Mars; the world on which…. Related searches: space nature globe sky forest Find the best pictures of earth, download them for free and use them commercially. The Earth is the densest planet in the Solar System. Earth Day Trivia Quiz. This is the site's home page, with various links around the site. The Earth is the only planet in our solar system not to be named after a Greek or Roman deity. And it's no surprise. They inform students about the history of Earth Day as well as some of the environmental problems that Earth and the people who care for it must overcome. Earth flows will occur more when there is high precipitation in the ground. Skip to main content. The atmosphere also protects us from incoming meteoroids, most of which break up before they can hit the surface. Students in. In the hydrologic cycle, water from oceans, lakes, swamps, rivers, plants, and even you, can turn into water vapor. cite French as their official tongue, 21 Spanish and 17 Arabic. AMAZING FACTS about Our Solar System : The solar system includes the Sun, the nine planets and their 158 presently known moons. " Find out why it is just right for us! Planet Earth is called the "Goldilocks planet. Visit us at our new home - BBCEarth. The Faculty of Science, with the support of external partners, has established an Excellence Fellowship program open to outstanding and highly motivated students who wish to pursue a Master of Science degree in one of. The Earth could eventually have a 1000-hour day in 50 billion years because the time it takes Earth to spin once on its axis keeps increasing. Graphic video documentary about how the Earth was formed. There's no better way to teach kids interesting geography facts and trivia than by engaging them with exciting geography activities. Life Science and Biology. These seismic waves shook. Listen Now Watch the Video again. Wildscreen's Arkive project was launched in 2003 and grew to become the world's biggest encyclopaedia of life on Earth. A science unit in biology can be fun for both teachers and students. United Nations Conference on Environment and Development (UNCED), Earth Summit. What year did the first Earth Day occur? 1970 1990 2009. For the Godwinson family in particular the battle was catastrophic, for not only King Harold, but two of his younger brothers, Leofwine and Gyrth, were among the fallen. Myths and Legends are the ones that we know about and Your Stories are the ones sent in and created by you. 00005 Longitude of ascending node (deg) -11. BBC Earth has moved. It's a beautiful day and all Miranda can think about is riding her bike in the park with her best friend Meredith, but Meredith has plans to plant trees for Earth Day. Coordinated by WWF and other volunteer organisations, Earth Hour's greatest strength is the power of people. Save the Earth Foundation has granted research funding to numerous colleges and universities, building various ecological centers at some of the most prominent institutions of higher learning. Mystery has always shrouded the moon, and it has held a place in the myths and legends of every culture on Earth. See 9 authoritative translations of Earth in Spanish with example sentences, phrases and audio pronunciations. These zones can be further divided into smaller zones, each with its own typical climate. Planet Earth is called the "Goldilocks planet. How much water is there on Earth? There's a whole lot of water on Earth! Something like 326,000,000,000,000,000,000 gallons (326 million trillion gallons) of the stuff (roughly 1,260,000,000,000,000,000,000 liters) can be found on our planet. It can resemble clay like material during the landslide which brings in more infusions of water into the landslides. Academic Earth was launched on the premise that everyone deserves access to a world-class education. 6 million km), and a period of revolution of 365. We breathe the air and drink the water that come from the natural world. How is rain formed? Water is always moving; rain that’s fallen where you live may have been water in the ocean a couple of days before. What Do People Do. Tips on writing a personal essay for higher english, essay about choosing a course, a visit to a smart village essay in english college application essay new york times. Welcome to FACTS Management Company. Earth Day is April 22! What will you do?. Together, we can end pollution, fight climate change, reforest the planet, build sustainable communities, green our schools, educate, advocate and take action to protect Earth. The department of Earth & Environmental Sciences of Columbia University offers undergraduate and graduate degrees and has facilities located on the Morningside Heights campus in Manhattan and at the Lamont-Doherty Earth Observatory in Palisades, New York. This means it is daytime on that side of Earth. This is when the ground the saturated and more water are added to the soil; and it causes the slope to break away and causes the earth flow. 1, K-12 students in the U. affection and earth, Sepandarmazgan, every year as. RADI will enhance its capacity for providing resource-environment spatial information at regional and global levels by establishing a digital Earth scientific platform, therefore building itself into a comprehensive, world-class research institute. and Spanish to English translators. “(Genesis 1:10) Earth is the only planet in the Solar System with plate tectonics. Visit NASA Space Place for more kid-friendly facts. Where do the images come from? How are they they put together? And how often are they updated? In this video, learn about the pixels, planes, and people that create Google Earth's 3D imagery. 2 days ago · Citing dangers to young people living in the digital world, Pope Francis on November 14, 2019, called for action to ensure their protection. The name we use today, Earth, comes from Old English and German roots. Related topics: Electrical earth earth 2 verb [transitive] British English TEE to make electrical equipment safe by connecting it to the ground with a wire SYN ground American English Make sure that the machine is properly earthed. Earth Day, first celebrated in 1970, is just around the corner. 2) Our amazing planet has been around for quite some time. Since 1972, the primary mission of Save the Earth Foundation has been to provide factual educational information to the public about environmental awareness. University of Birmingham, Edgbaston, Birmingham UK. Want to learn about earth and the environment? You’ll find it all here. Facts about the Earth. This activity is all about fun facts and helps adults or older teenage students to practise question forms. Substance Name: English fullers earth. Check out these fun Moon facts for kids. When it comes to writing, this common English word confuses many native speakers who aren’t sure whether to use Earth or earth. Planet Earth II. Earth is home to more than 1 million known animal species, each one representing an ancient tome of biological trivia. View and print the more detailed Mars Facts › You Might Also Like Through Nov. The word "Earth" comes from the Old English word "ertha" meaning ground or land. 26 days, and having one satellite. The Earth formed around 4. Solutions for professionals who shape the world. This site will help you learn English and improve your pronunciation, grammar and vocabulary knowledge. Each career profile provides basic career information such as salary, job outlook, degree requirements, and more. Directed by Frant Gwo. The earth will soon be engulfed by the inflating sun. Ancient Earth reveals terrifying consequences of future global warming The mysterious diseases killing starfish, sea fans and shellfish The north pole is moving and if it flips, life on Earth is. Current going green news to keep you up to date. Due to Earth’s axial precession, the positions of Earth’s celestial poles shift gradually in a cycle of approximately 26000 years. Continental glacier=A glacier that forms a continuous cover of ice over areas of 50,000 square kilometers or more and spreads outward in all directions under the influence of its own weight. At one point, 1. William Underwood was a 19th century English painter. Government science agencies, including research and development results. Water can be in the atmosphere, on the land, in the ocean, and even underground. If you are studying earth processes with Google Earth, this will definately bring the dynamic nature of earth into focus for your students. Over 100,000 French translations of English words and phrases. Earth flows will occur more when there is high precipitation in the ground. Water can not only be found on the surface, but also in the ground and in the air. Students in. Planet Earth is called the "Goldilocks planet. About 74% of the surface of Earth is covered by liquid or frozen water. 4), or physics (8. Come on a journey and travel through our solar system. The Earth Charter Initiative is a global movement of organizations and individuals that embrace the Earth Charter and use it to guide the transition towards a more just, sustainable, and peaceful world. 5 light years away. Listing of Earth Day related free printable activities available for children. This lesson will discuss the layers of the Earth, focusing particularly on the Earth's core, including its chemical composition, temperature, and how the core creates the Earth's magnetic field. The Earth's oceans are all connected to one another. Atmosphere definition is - the gaseous envelope of a celestial body (such as a planet). earth is cool so is bacon if there was no earth there would be no bacon so earth must survive. This is when the ground the saturated and more water are added to the soil; and it causes the slope to break away and causes the earth flow. Can Meredith help Miranda see the importance of Earth Day?. 5) to English language learners. cite French as their official tongue, 21 Spanish and 17 Arabic. an extremely large, round mass of rock and metal, such as Earth, or of gas, such as Jupiter…. Download Google Earth Pro 7. The Book that Saved the Earth is well explained through Introduction, Message, Theme, Title, Characters, Reach for the Top Story Summary in English, Summary in Hindi, Word meanings, Complete lesson in Hindi, Extracts , Long answers, Short answers, Very short Answers, MCQs and much more. Due to Earth’s axial precession, the positions of Earth’s celestial poles shift gradually in a cycle of approximately 26000 years. “(Genesis 1:10) Earth is the only planet in the Solar System with plate tectonics. A Martian day is called a sol, and is a little longer than an Earth day. Chabad-Lubavitch is a philosophy, a movement, and an organization. Ex : fille - nf > On dira "la fille" ou "une fille". At one point, 1. Since there are many different aspects to Biology, there is a wide range of lessons available. It is known that in the past, Mars has had a much more circular orbit. These days, Polaris is very close to the north celestial pole. Our Earth is the most beautiful planet in our solar system. The density of Earth differs in each part of the planet – the core, for example, is denser than the Earth’s crust – but the average density of the planet is around 5. Switch off your lights for the future of our planet on Saturday, 30 March 2019 at 8:30 pm. cite French as their official tongue, 21 Spanish and 17 Arabic. Of interest is the Teacher/Student resources section, which has sample lesson plans, links to information on the history of Earth Day and the rainforest, and letter-writing campaigns for students. Random Facts. 3 days both to rotate on its axis and to orbit Earth. The definition of natural disasters is any catastrophic event that is caused by nature or the natural processes of the earth. 54 billion years ago. Come on a journey and travel through our solar system. Earth is the only planet not named after a mythical being. This textbook guides your child through a study of geology, oceanography, meteorology, astronomy, and environmental science. In this sequel to the Emmy-winning "Planet Earth" series, viewers are treated to rich and intimate views of the natural diversity of our planet. Earth Day, which was established in 1970 in the US, is celebrated on 22nd April each year. The sheer vastness of it, along with the trillions upon trillions of objects in the many billion galaxies of the universe is almost incomprehensible to the human brain. 01671022 Orbital inclination (deg) 0. For the beauty of the earth For the glory of the skies, For the love which from our birth Over and around us lies. More information. Forums pour discuter de earth, voir ses formes composées, des exemples et poser vos questions. Home » Teaching Earth Science. Born on today's date in the year 1656, English astronomer and mathematician Edmond Halley was the first to predict the return of a comet. Printable Geography Quiz - Click this link for a printable version of the quiz questions (opens in a new window). Newsletter Living on Earth offers a weekly delivery of the show's rundown to your. As part of an expedition sent to find a home beyond Earth, lead your people into a new frontier, explore and colonize an alien planet and create a new civilization in space. The amazing things about Google Earth. Math explained in easy language, plus puzzles, games, worksheets and an illustrated dictionary. Google Earth is the most photorealistic, digital version of our planet. The Faculty of Science, with the support of external partners, has established an Excellence Fellowship program open to outstanding and highly motivated students who wish to pursue a Master of Science degree in one of. Directed by Grant Humphreys. This site will help you discover all the coolest and most interesting random fun facts covering over 100 different topics. Filling in the gaps are the sublime forests, mountains, lakes, beaches and fiords that have made NZ one of the best hiking (locals call it 'tramping') destinations on the planet. Included: A Mother's Day gift idea, recycle games, worms, scrap paper projects, more. Earth is the most dense planet in the solar system. Are you concerned about the welfare of the earth? Do you want to do what you can to save it? With bad news about global warming, dying oceans, and endangered animals flooding us on a daily basis, it's hard to. The Center for Near-Earth Object Studies (CNEOS) has determined with new analysis by its Sentry impact monitoring system that a small asteroid whose uncertain position was of concern will pass by Earth at a very safe distance in September. The human race is thrown into chaos as an alien invasion takes control of the planet in an effort to find one boy out of 7 billion people who holds the power to destroy them. 2 days ago · Citing dangers to young people living in the digital world, Pope Francis on November 14, 2019, called for action to ensure their protection. Skip to main content. We educate our students to be professionals, capable of acquiring knowledge and translating this into practical applications for solving real-world problems. A geology dictionary that is used regularly is one of the most important tools for developing professional competence. What day is Earth Day? March 15th April 22nd. How the Earth Was Formed Q&A. English is the most spoken language in the world after Chinese. A natural. Together, we can end pollution, fight climate change, reforest the planet, build sustainable communities, green our schools, educate, advocate and take action to protect Earth. It is agreed that the traditional Product Approach to some extent was still useful. Updated daily. ' Amazingly, even though the Earth is basically named after ground or. Australia is the driest inhabited continent on earth. 2 days ago · Below the painting is a poem about the inebriated Earth Stopper. Earth Mean Orbital Elements (J2000) Semimajor axis (AU) 1. A geology dictionary that is used regularly is one of the most important tools for developing professional competence. Source 24 The poorer the country, the more likely it is that debt repayments are being extracted directly from people who neither contracted the loans nor received any of the money. People usually say Earth when they are | Meaning, pronunciation, translations and examples. For freedom from communized tight English, and for easy arrangement of worldwide information, for more even communications with the outer world, native English users also want to have another common measurement of thoughts, before getting too lazy. The secret of how life on Earth began. Suitable for children aged 5-13. Coordinated by WWF and other volunteer organisations, Earth Hour's greatest strength is the power of people. United Nations Conference on Environment and Development (UNCED), Earth Summit. While there is only one global ocean, the vast body of water that covers 71 percent of the Earth is geographically divided into distinct named regions. The Geospatial Information Authority of Japan (GSI) is the national organization that conducts basic survey and mapping and instructs related organizations to clarify the conditions of land in Japan and that provides the results of surveys to help improve this land. commonly translated to English as. Available in PDF & Google Slides format. Rallies took place across the country and, by the end of the year, the U. And God saw that it was good. Thus says the LORD, your Redeemer who formed you from the womb: "I am the LORD, who has made all things, who alone stretched out the heavens, who by Myself spread out the earth, Isaiah 51:13 But you have forgotten the LORD, your Maker, who stretched out the heavens and laid the foundations of the earth. Whether you are from India looking for some Interesting Facts about India or a foreigner travelling to India and looking to know some facts about India, these 101 Facts about India will blow your mind away. Which year did Earth Day become a worldwide event? 1970 1990 2009. Watch Full Episodes, Get Behind the Scenes, Meet the Cast, and much more. We keep growing this deficit by liquidating the Earth's natural capital and accumulating waste, primarily carbon dioxide in the atmosphere. With the help of over 7,000 of the world’s best wildlife filmmakers and photographers, conservationists and scientists, Arkive. We are so dirty. This article will provide information whether you are a new teacher looking for ideas to get started, or a seasoned science teacher just looking for new ideas. The greatest number of the Earth's volcanoes occur on the ocean floor. Washington Irving’s Columbus and the Flat Earth For generations now American school children have learned that Christopher Columbus proved the earth was round. 5 billion years ago. Earth Hour is an annual environmental campaign that brings attention to the effects of climate change by asking people to switch of lights at homes and businesses for an hour at 8. Updated daily.