Krakoff Highlights Two Kinds of Impacts from Climate Change

Krakoff highlights two kinds of impacts from climate change. What are they?

A) Climate change is melting the polar ice caps, and it is intensifying both storms and droughts around the world.
B) Climate change is altering the patterns of rainfall to which human civilization is adapted, and it is thinning the ozone layer.
C) Climate change is putting various species at risk of extinction, and it is harming and will continue to harm many of the world's most vulnerable people.
D) Climate change is threatening a few species, such as the polar bear and pika, and it is causing people who live in certain remote parts of the world to relocate to other places.