|April 28, 2010|
EPA says climate change is causing storms, heat waves
|As the Senate debates whether to take up a climate bill before an immigration one, a new Environmental Protection Agency report says climate change is already causing storms and heat waves.|
"Climate change is a very real problem with impacts that are already being seen," Gina McCarthy, assistant administrator for EPA's Office of Air and Radiation, said Tuesday in announcing the report, which looks at 24 indicators. The 80-page report says:
There is indisputable evidence that human activities such as electricity production and transportation are adding to the concentrations of greenhouse gases that are already naturally present in the atmosphere.
Many of the report's findings are not new, but some may be little known or surprising. For example, it says bird species in North America have moved their wintering grounds northward by an average of 35 miles since 1966. Also, despite much snow this past winter, it says the portion of North America covered by snow has "generally decreased" since 1972.
The report's key findings include:
Here are some of the data charts included in the report: