For three days in 2005, flooding from Hurricane Katrina cut off the only road to Port Fourchon. Officials had to decide: did the risk of future flooding justify the cost of raising the roadway out of the Gulf's rising waters?
Climate change is expected to intensify fire-friendly weather conditions across the US and to lengthen the fire season.
Guest blogger Ken Takahashi assesses the prospects for this El Niño to be an extreme one in the eastern tropical Pacific, like the 1982 and 1997 events were.
Lake Erie’s annual summer bloom is underway, and it's shaping up to be one of the most severe in the past decade.
Plants on land have helped slow global warming by capturing nearly a quarter of the carbon dioxide that human activities release in an average year. But where is it all going?