2013 was another watershed year in climate change news. The reality of life on a warmer planet was seen in a variety of ways. The reality of the inability of U.S. and international efforts to reduce reliance on fossil fuels was also stark as use continues to rise. Here are some new data points about life on a warming planet.
The year’s biggest news was made last summer when scientists at a Hawaii research station measured 400 ppm (parts per million) of carbon in the earth’s atmosphere. NASA climate scientist James Hansen has famously called the 350 ppm carbon mark the safe zone for avoiding the worst of climate change impacts. Some terrific charts in The Guardian (probably the best news site for tracking climate issues) provides important context to carbon loading to the earth’s atmosphere. » Continue Reading.