Tatiana Schlossberg

As climate change moves from a model of the future to the reality of the present, health care systems across the country are facing a difficult set of questions. What are doctors supposed to do when wildfires, rising floodwater or other natural disasters threaten their ability to provide care for patients?

When policymakers, financiers and scientists describe the world decades from now, in the throes of climatic changes that we now only model, they emphasize what might be lost.

The features that have made plastic so important in the global market are the same ones that make it such a pervasive pollutant: durability and resistance to degradation.

A less icy Arctic is coming, and generally speaking, that's not a good thing. Climate change is warming this region twice as fast as the global average, threatening wildlife and indigenous communities.

Take one round-trip flight between New York and California, and you've generated about 20 percent of the greenhouse gases that your car emits over an entire year.

The fact that communities that are relatively powerless often are exposed to more dangerous pollution and the worst effects of climate change: a society like that is one that is less free and less equal for everybody.