Ecology Unit 8 Global Climate Change

The phenomenon causing the greenhouse effect is that _________ in the lower atmosphere absorbs re-radiated __________ radiation.

Most excessive CO2 that will cause global warming is caused by

__________.

• Green plants

• Phytoplankton

• Agriculture

• Burning of fossil fuels

Explain why arctic warming is more problematic than increased temperatures in other biomes:

Name TWO environmental clues that indicate our climate is getting warmer.

• glaciers are melting, tress and flowers are blooming earlier

• people are driving more and less jobs

Some natural explanations for climate changes include

• Volcanic eruptions

  Cosmic radiation

  Tectonic plate changes

• sun closer to the earth

  weather getting colder

  trees dying

Give THREE examples of mitigation strategies for emissions.

7. Why is it important that some of the solar radiation hitting Earth returns to space?

Which 2 gases make up 99% of Earth’s atmosphere?

• Argon and nitrogen

• Nitrogen and oxygen

• Oxygen and carbon dioxide

• Carbon dioxide and nitrogen

Which is the largest single indicator of climate change?

• Extinction

• Deforestation

• Desertification

• Global warming

Which activity in developing countries may be a major

contributor to global climate change?

• Tourism

• Agriculture

• The use of electricity

• The use of automobiles