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Study finds global rivers and streams emitting 3x IPCC estimates of the GHG N2O

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Nitrous oxide is a potent greenhouse gas that contributes to climate change and stratospheric ozone destruction. Human activities, including fossil fuel combustion and intensive agriculture, have increased the availability of nitrogen in the environment. The findings, the authors hope, will lead to more effective mitigation strategies.

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Researchers Determine Process Through Which Hydrocarbon Compounds Emitted by Trees Form Aerosols, With Impact on Human Health and Climate

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A team of researchers from the US, Denmark and New Zealand have discovered a process through which a prevalent biogenic nonmethane hydrocarbon compound emitted by trees—isoprene—forms atmospheric particulate matter (i.e., Modeled yield of epoxides from the reaction of isoprene and OH. Paulot et al. Click to enlarge.

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