Explore the debate on climate change causes: human activities vs. natural variability. Discover the latest data, scientific ...

Earth's climate has changed throughout history for numerous reasons, but modern climate change is driven by human behavior.

The national conversation, predictably, has followed a pattern as well: Republicans try to dismiss or play down the role of fossil-fuel-driven climate change, and everyone else has to decide ...

Tourism, fisheries, real estate and countless natural benefits rely on the integrity of the waters off the coast of ...