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41 Results for "greenhouse effect"

"greenhouse effect" Stuff:

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Take a closer look at how the atmosphere keeps our planet warm.
Hands-on

Build your own miniature greenhouse to see the greenhouse effect at work.
Game

Explore the connections between technology, population and rising atmospheric CO2.
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Arctic ice is melting. Coral reefs are disappearing. Sea levels are rising. These events are part of an even bigger p...
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Take a deep breath and exhale slowly. Your body just released carbon dioxide, a colorless gas that's essential to lif...
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When you ride in a car, watch your favorite television show, or take a hot shower, you're most likely using fossil fu...
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Winter brings snow and ice in places like northern Minnesota. But during the same season along Florida's beaches, tem...
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Scientists are developing and improving "clean" energy sources. But for the next hundred years, the world w...
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For thousands of years, humans have relied on the power of wind to sail across oceans, pump water, and grind grain.
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Take a peek at our planet's layers, learn what secrets rocks reveal, and gain a long view of history.
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From waves to waterfalls, water is usually on the move. And that means it has energy. When this energy is captured an...
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Miles below your feet, scorching temperatures can get hot enough to melt rock. In some places, water heated deep unde...
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There are many kinds of energy. But only one makes plants grow, drives the weather, and keeps our planet warm enough...
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Energy is the ability to do work. Scientists define "work" as when a force moves something. When you lift a...
Hands-on

Find out what you can do to save energy and slow climate change!
Story

Find out about Earth's climate, its consequences, and what we can do.
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Atoms are tiny building blocks that make up all matter in the Universe. Atoms may be tiny, but they hold an extraordi...
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Early civilizations offered it to appease their gods. Ancient Egyptians placed it in tombs to support the dead on the...
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Find out more about global warming. How, and why, we should slow it?
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In satellite images of Earth's atmosphere, it's easy to spot the large, spiraling clouds of hurricane. These powerful...
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The Earth is our home. So far, it's the only place that we know of that has life. Everywhere you look on Earth there...
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Like many kids interested in science, Ro Kinzler thought she wanted to be a marine biologist. But later on, she reali...
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Igneous rocks form when magma, or melted rock from inside the Earth, cools and hardens. They can form above ground wh...
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Jim is fascinated with volcanoes. He wants to know why some volcanoes erupt explosively, and how he might be able to...
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The plates that make up the Earth's crust are always moving. When two plates meet, the motion causes lots of pressure...
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If you look at a map, the coasts of South America and Africa seem to fit together like puzzle pieces.
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The Earth is always changing. Mountains form and erode away. Volcanoes erupt and grow larger. Earthquakes shift the l...
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Think you're an expert on changing climate? Test your knowledge with this quiz!
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George Harlow travels the world over to study how jade, rubies, and diamonds form. George wants to find out what thes...
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The king cobra is the largest venomous snake in the world. Whether slithering on land, climbing trees, or swimming, i...
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The Hubble Space Telescope is the first major optical telescope to orbit Earth.
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Most volcanoes form along plate boundaries. But some of the world's largest and most active volcanoes are found far f...
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Venus and Earth are sometimes called sister planets because of their similar size, but don't let this comparison fool...
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How do mammals respond to cold water? Take the plunge into icy water and find out.
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Edwin Hubble was one of the great astronomers of the 20th century. His work made the Universe a bigger place. He prov...
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A galaxy is a giant, spinning object made of gas, dust, and stars held together by gravity. Galaxies come in differen...
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If you ever go to Mercury, bring your sunscreen because it is the planet closest to the Sun. You'll also need a pair...
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On a clear night, Mike Shara sees more than just the beautiful twinkling of stars when he gazes at the sky.
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With its furry coat, friendly face, and playful nature, the sea otter is perhaps one of the most endearing animals in...
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California sea lions are playful, intelligent, and fast—in and out of water. Their large flippers enable them to leap...
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There are more than 250 kinds of vipers, a family of poisonous snakes. The largest of all is the gabon viper.