Climate Change

Question 1

How do we know it is us causing climate change?

Answer 1

Higher degree tilt = stronger seasons
More solar radiation hitting earth = higher global temp

Question 2

What is the effect of CO2 in the atmosphere on climate?

Answer 2

All of the above
A. In the past, changes in CO2 have been associated
with large swings in Earth’s climate.
B. Increased levels of CO2 in the atmosphere are
correlated with increased temperature.
C. The greenhouse effect explains why climate can be
affected by CO2.

Question 3

Thermal expansion

Answer 3

Warm water expands

Question 4

Melting of land ice

Answer 4

More melting = faster decrease

Question 5

If Illinois’s current climate (9 °C, 105 cm) becomes more typical of Texas (19.5 °C, 80 cm), the prevailing forest may be most similar to:

Answer 5

Woodland shrub land

Question 6

Pathogens/Parasites/Disease

Answer 6

• General pattern of increased temperatures =
  increased disease/parasite prevalence

Question 7

Mitigation

Answer 7

Focuses on limiting greenhouse gas emissions

Question 8

Carbon sequestration

Answer 8

Plants, soils, and fungi