Climate change

Question 1

what causes climate change?

Answer 1

-Volcanic eruptions
-Natural cycles (Milankovitch)
-Increase in emission of greenhouse gasses

Question 2

What is Milankovitch cycles?

Answer 2

Climate change due to solar radiation
1. Eccentricity
2. Obliquity
3. Precession

Result- Change in amount of radiation in summer vs. winter

Question 3

What is the greenhouse effect?

Answer 3

Heat trapped in atmosphere

Gases absorb longwave radiation and reemit it in lower troposphere

Question 4

What are some human activities that cause climate change?

Answer 4

-Production/use of fossil fuels
-Deforestation/land clearing
-Agriculture

Question 5

What are some effects of climate change?

Answer 5

-Drought
-Storms
-Flooding
-Longer growing season

Question 6

What are the main greenhouse gases and what are there sources?

Answer 6

1. Carbon dioxide (burning fossil fuels)
2. Methane (cows)
3. Nitrous oxide (Agriculture)