Energy sources that can be replenished
Renewable energy
The most common greenhouse gas
Carbon dioxide
The main cause of climate change
Burning fossil fuels
Name three forms of alternative energy
Hydroelectric, solar, wind, biomass
Define mitigation
To reduce something (such as fossil fuel emissions)
A substance found on Earth that's useful to humans
Natural resource
Two human activities contributing to the greenhouse effect
Cars, mining, pollution, burning fossil fuels, factories, cows
How can we remove carbon from the atmosphere
Reforestation
Name the structures that create hydroelectric power
Dams
Name 3 ways to mitigate climate change
1. Biking
2. Alternative energy
3. Capturing CO2
4. Reforestation
A fossil fuel formed from plant and animal remains in ancient swamps
Coal
What's one thing on Earth that absorbs carbon?
Plants
Long-term shifts in temperatures and weather patterns
What is biomass fuel made of
Recently deceased plants and animals
Why do some people NOT want to switch to alternative energy
1. They believe it's too expensive
2. It's less convenient
Define nonrenewable resource
A resource that is used faster than it's replaced
Describe the greenhouse effect
Greenhouse gases absorb and trap heat from the sun, warming Earth
Name three negative impacts of climate change
Extreme weather, habitat loss, rising sea levels, food shortages, climate migrants, asthma, premature births
Describe why we should use alternative energy
They don't release greenhouse gases and contribute to climate change
ABOUT what % of the world's produced energy is renewable?
Less than half
Name five nonrenewable resources
Coal, oil, natural gas, gold, diamonds
Name four greenhouse gases
CO2, methane, ozone, N2O, water vapor, CFCs
Name one common myth about climate change
The climate has always changed
Earth would always be hot if it was real
Good for plants
Renewable energy is too expensive
It's a future problem
Define alternative energy
Renewable energy generated by natural processes
True or False: geothermal energy is renewable
TRUE