Climate Change Test

Question 1

What percent of the earth’s CO2 do the oceans absorb?

Answer 1

25-30%

Question 2

What does permafrost melting have to do with climate change?

Answer 2

It is a primary feedback loop because 50-60 times the amount of CO2 and methane than is on earth is locked up in the soil in the arctic.

Question 3

What percent of CO2 is absorbed by plants and soils?

Answer 3

30%

Question 4

How many metric tons of CO2 are added to the atmosphere every year?

Answer 4

9.1 billion metric tons

Question 5

How many metric tons of CO2 leave the environment naturally every year?

Answer 5

5 billion metric tons

Question 6

10 ways to slow climate change

Answer 6

cut fossil fuel use, shift from coal to natural gas, improve energy efficiency, shift to renewable energy sources, transfer energy efficiency and renewbale energy technology to developing countries, reduce deforestation, use more sustainable agriculture and forestry, put a price on greenhouse gas emissions, reduce poverty, slow population growth

Question 7

Name 4 ways the government can help reduce climate change

Answer 7

Phase in carbon taxes or fees. Place a cap on total human-generated CO2 in certain regions. Increasing subsidies to greener companies. Help developing countries with technology advances.