The basic message is that global warming is already causing species extinctions and a lot of them.

Global warming is wreaking havoc on amphibians and will cause staggering losses of biodiversity if we don't do something fast.

This winter makes global warming seem more real.

The ocean is like this black box. We just don't know what's going on out there. Is it global warming? Is it pollution? Predators?

These studies each quantify, in a variety of ways, the risks we are already dealing with in the global warming that is clearly well under way.

We're not convinced that global warming is playing an important role yet, or if at all, in this era of increased activity.