Climate Change & Global Warming

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?

Tuesday, September 1, 2009

  • Richard Feely discusses new findings about how increased carbon dioxide in the atmosphere is making the oceans more acidic, and how that will affect ocean ecosystems and the marine animals that inhabit them.
     

  • Richard Feely discusses new findings about how increased carbon dioxide in the atmosphere is making the oceans more acidic, and how that will affect ocean ecosystems and the marine animals that inhabit them.
     

  •  The Sun is the main source of power for the Earth's climate machine. Space-based measurements, begun in 1978, indicate Earth receives an average of 1,361 W/m<sup>2</sup> of incoming sunlight, and the amount varies by about one-tenth of a percent over the course of the 11-year solar cycle.