On the recordDecember 19, 2012
in every corner of the globe--from pole to pole, and from the top of our atmosphere to the depths of our oceans--we see evidence of the fundamental changes that are taking place across our Earth. In 2012, North America experienced a number of unusually severe events and passed several ominous milestones. These episodes have driven a shift in attitude--a realization, really, among Americans. As we head home for the holidays this year, each of us is likely to find back in our home States that more and more people are convinced that climate change is happening, and that it is deadly serious. Here are just some of the extraordinary events that occurred as we look back on this year, 2012. January 2012 was the fourth warmest January experienced in the contiguous United States since we began keeping records. And we began keeping records in 1895. By the end of January, snowpack in the Sierra Nevada Mountains was 50 percent less than normal. February 2012 marked the end of the fourth warmest winter on record-- an above-average start to the year but not extremely so. Then this happened: March 2012. March 2012 was the warmest March on record. Every State in the Nation experienced a record daily high temperature in March. There were 21 instances of nighttime temperatures--nighttime temperatures--being as warm or warmer than the existing daytime record temperature.…





