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US EPA Issues Climate Change Indicator Report

The United States Environmental Protection Administration (EPA) issued a report today listing 24 indicators of the effects of climate change on the U.S. and its citizens. The report contains a number of significant findings including:

“• Greenhouse gas emissions from human activities are increasing. Between 1990 and 2008, there has been about a 14 percent increase in emissions in the United States.
• Average temperatures are rising. Seven of the top 10 warmest years on record for the continental United States have occurred since 1990.
• Tropical cyclone intensity has increased in recent decades. Six of the 10 most active hurricane seasons have occurred since the mid-1990s.
• Sea levels are rising. From 1993 to 2008, sea level rose twice as fast as the long-term trend.
• Glaciers are melting. Loss of glacier volume appears to have accelerated over the last decade.
• The frequency of heat waves has risen steadily since the 1960s. The percentage of the U.S. population impacted by heat waves has also increased.”

-Steven Silverberg