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What can you do to reduce your carbon footprint?
Answers will vary.
What is carbon capture?
Technology that removes carbon dioxide from exhaust and allows it to be buried underground
What are some examples of clean energy sources?
Solar, wind, hydroelectric, geothermal, nuclear, and tidal energy
What are three ways we can limit global warming?
Using clean energy sources, efficient energy practices/technologies, and carbon capture
Does global warming mean that all parts of Earth are getting warmer?
No; some places get colder.
What may happen to an organism that cannot adapt to climate changes?
It may go extinct.
What is desertification?
The process of some lands becoming deserts due to severe droughts
What happens to sea levels as glaciers melt?
The sea level rises.
What are three effects of climate change?
Droughts and desertification, changes to the biosphere, and regional changes in temperature
What is a climate model?
Complex computer programs that predict temperature, precipitation, and other atmospheric conditions
What is a source of methane?
Mining and processing of coal and petroleum, livestock, agriculture such as rice cultivation, landfill use, and the burning of biomass
What is global warming?
The gradual increase of the temperature of Earth's atmosphere
What is the source of most of the carbon dioxide that humans put into the atmosphere?
Burning fossil fuels
What is a fossil fuel?
Energy-rich substances formed from the remains of organisms
What happened after 1800 that increased greenhouse gases in the atmosphere?
The industrial revolution
Why do we need greenhouse gases?
Our atmosphere would not retain heat without them.
What is the temperature in space?
-270*C
Name three greenhouse gases.
Carbon dioxide, methane, and water vapor
What are gases that absorb heat leaving Earth's surface called?
Greenhouse Gases
Describe the greenhouse effect.
The sun's energy reaches the Earth where the surface is heated. Some heat is radiated into space, but some is absorbed by gases which radiate it back to Earth.
Can human activities change the climate?
Yes!
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