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greenhouse effect

Greenhouse Effect
Image: iStockphoto.com/goikmitl

Greenhouse Effect

Carbon dioxide, ozone, methane, and other gases act like the glass walls of a greenhouse, keeping the Earth warm enough to sustain life.

But human activity intensifies this greenhouse effect, which leads to climate change. Investigate the causes and mechanics of this phenomenon as well as what we must do to help our planet.

National Geographic
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Global Climate Change: The Greenhouse Effect

Global Climate Change: The Greenhouse Effect

Acting like a trap in the atmosphere, some gases keep the Earth warm. But human activities are increasing the gases and upsetting the Earth’s natural balance. Research the impact and how it affects the future. More...

Interactive
Environmental Protection Agency
Is It Getting Hot in Here? Investigate the Greenhouse Effect

Is It Getting Hot in Here? Investigate the Greenhouse Effect

Build a simple, little greenhouse to investigate how trapped infrared radiation affects the temperature inside it. Start with a trip to the hardware store…and ask an adult for help. More...

Activity
Science Buddies
The Greenhouse Effect

The Greenhouse Effect

It’s cold out in space, so Earth needs the sun to keep it warm. Investigate how greenhouse gases help — as well as their contributions to global warming. More...

Interactive
National Geographic
Carbon Dioxide Concentrations

Carbon Dioxide Concentrations

Carbon dioxide has been on the increase in the atmosphere since the Industrial Revolution, adding to global warming. Experiment to compare the amount of this greenhouse gas in the exhaust fumes of different vehicles. More...

Activity
education.com
Gases in the Air Help Keep Earth Warm

Gases in the Air Help Keep Earth Warm

Solar energy keeps the Earth warm enough for life, but it follows different paths when it gets here. Discover where the energy goes and its role in the greenhouse effect. More...

Article
USA Today
Gavin Schmidt: Climate Scientist and Juggler

Gavin Schmidt: Climate Scientist and Juggler

Climate scientist Gavin Schmidt tries to predict the future with his virtual reality model of Earth. Find out why he wants you to think about climate change right now. More...

Profile
NOVA/PBS
Greenhouse Gases

Greenhouse Gases

Watch researchers monitor a forest environment to see how trees will grow in future levels of elevated greenhouse gases. Discover the good and the bad. More...

Video
National Geographic
Introduction: What Are Greenhouse Gases?

Introduction: What Are Greenhouse Gases?

Water vapor, carbon dioxide, methane, ozone, nitrous oxide, chlorofluorocarbons, carbon monoxide, and more. All of these chemical compounds (some natural, some artificial) act as greenhouse gases. More...

Article
NOAA
The Greenhouse Effect

The Greenhouse Effect

Compare the atmosphere today and during the last ice age when you change the greenhouse gas concentration and see how the temperature changes. More...

Interactive
PhET

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