How worried should we be about solar storms?

The Sun is entering a period of seriously intense solar activity, releasing huge volleys of charged particles and plasma blobs into space, including the recent Valentine's Day X-class flare, the most extreme in years. So how much of a threat do these flares really pose, and how prepared are we for a seriously… » 2/20/11 3:30pm 2/20/11 3:30pm

Climate Change Map Helps You Predict the Next Eco-Disaster

We know that as global temperatures rise, increased storms, heat waves, and flooding will batter the Earth. A new interactive map from the Center for American Progress demonstrates the toll climate change will take on human beings by displaying regions that are at particular risk for different types of ecological… » 12/09/08 12:00pm 12/09/08 12:00pm