Carbon Dioxide milestone: full day at 400 ppm
This is the first time in the human record the carbon dioxide concentration is this high.
This is the first time in the human record the carbon dioxide concentration is this high.
Even though March 2013 will be remembered in Virginia for its unusual cold, wet and snowy weather, the Earth as a whole was much warmer than average.
This March so far is the antithesis of last March.
The year 2012 was declared the globe’s 10th warmest since record keeping began in 1880 and the warmest ever for the Lower 48 U.S. states.
Parts of the ocean sea snails inhabit are becoming more acidic as a result of the burning of fossil fuels by humans, scientists say.
2012 is currently outpacing the previous warmest years known since record-keeping began in 1880.
January through June for the contiguous U.S. has the hottest average temperature since record-keeping began in 1895.
Warming has not been uniform for each individual state.
Spring 2012 ranks as the hottest in 132 years of record-keeping in Richmond.
Preliminary global April temperature data for the lower troposphere makes it the fifth warmest April in the 33-year satellite climate record.
January to April was the warmest in 118 years of record-keeping in the Contiguous U.S.
The Virginia Supreme Court ruled Friday that the state’s attorney general has no standing to demand a university hand over research and grant documents.