By EarthGauge.net
August 16,2015; 8:22AM,EDT
Did You Know?
The average temperature in the United States has risen more than 2.0°F over the past 50 years.
From 1999 through 2009, extreme heat exposure caused or contributed to more than 7,800 deaths in the United States.
Extreme heat is the leading cause of weather-related deaths in the United States. Heat-related deaths are often a result of heat stroke and related conditions, but also occur in people with cardiovascular disease, respiratory disease and cerebrovascular disease.
The number of extreme heat events in the United States continues to rise and climate projections indicate that these events will be more frequent and intense in coming decades. From 1901 to 1970, the average surface temperature in the United States rose at an average rate of 0.13°F per decade. Since the late 1970s, this rate has increased to between 0.26 and 0.43°F per decade. According to EPA, climate change is expected to result in increases in extreme temperatures. If greenhouse gas emissions are not reduced over the course of the 21st century (reference), the hottest days of the year in the Mountain West are projected to be up to 14°F hotter than today; the hottest days in many parts of the Midwest and Northeast are projected to be 7-10°F hotter. If greenhouse gases emissions are reduced over the 21st century (mitigation), EPA projects that the hottest days will be no more than 4°F hotter for all regions of the country.
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