A Kentucky lawmaker claims Mars disproves global warming on Earth
But fireworks can do real damage to humans and the environment
The concentration of carbon dioxide in the atmosphere has been at record levels for three months now. Welcome to the new normal.
We know the climate is changing globally. We don't really know what will happen in your town.
A kids' TV star is liberals' most effective spokesman against right-wing science skeptics
What unites the left and right: a radioactive plume headed for the West Coast