National (U.S.)

"Studies Raise Questions About Pavement Sealers"

"Airborne emissions and stray dust from coal tar–based sealers, one of the two main types of products used to coat certain asphalt pavements, may be a more significant human health threat than previously thought, according to three new studies and a review published by U.S. government and university researchers."

Source: EHP, 05/02/2012

"'Warming Hole' Delayed Climate Change Over Eastern United States"

"Climate scientists at the Harvard School of Engineering and Applied Sciences (SEAS) have discovered that particulate pollution in the late 20th century created a "warming hole" over the eastern United States-that is, a cold patch where the effects of global warming were temporarily obscured."

Source: SPX, 04/30/2012

Study Sees Heat Hitting Hard in Iowa, Other Corn Belt States in Future

"Get ready for the heat. Scientists at Stanford University in California and Purdue University in Indiana say global warming is going to hit hard in Corn Belt states where it most matters -- the corn market. The study, financed by the U.S. Department of Energy, says that the corn market will be walloped in the coming years by climate change."

Source: Cedar Rapids Gazette, 04/30/2012

"The Key Ingredient in Oil Drilling? Water"

"They say oil and water don't mix, but when it comes to oil and gas drilling, water and oil are practically joined at the hip. It takes millions of gallons of water to drill a well. Water is the 'hydraulic' in the hydraulic fracturing process used to release oil and gas deposits. Disposing of wastewater is a costly challenge for drillers. And, at every step along the way, preventing groundwater contamination is the paramount concern for inspectors and regulators."

Source: Colorado Springs Gazette, 04/30/2012

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