Answer these three questions
1. Changes in precipitation under a changing climate:
a. What must happen to global average precipitation as global temperatures increase?
b. Which latitudes will likely be wetter or drier and why?
c. Why might extreme storms increase as the Earth warms?
2. Watch the video titled "Antarctic Ice Sheets" on the class website.
a. Explain in a few sentences why these two glaciers are particularly vulnerable to melting, and how scientists know this.
b. If Pine Island Glacier in West Antarctica and Totten Glacier in East Antarctica melt or calve into the Ocean, by how much would global sea level rise?
3. Use the "CO2 and climate effects of emissions reductions" calculator on the class website to figure out how much rich countries and poor countries would have to reduce emissions (and by when) to hold global mean temperatures within 2 °Celsius of their preindustrial values.