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A study by an international team of scientists says that relatively cheap, simple measures to cut two common pollutants could substantially reduce global warming and improve human health and agriculture in coming decades. Instead of focusing on CO2-the main culprit in climate change--they target specific ways to cut methane and soot from industrial and farming processes. They estimate this would shave nearly one degree Fahrenheit off warming projected to occur by mid-century. [Source: Earth Institute (Columbia University)]
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