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

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This new global emission estimate is startling. Nitrous oxide is a potent greenhouse gas that contributes to climate change and stratospheric ozone destruction. The global warming potential of nitrous oxide is 300-fold greater than carbon dioxide; nitrous oxide accounts for some 6% of human-induced climate change, scientists estimate.

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California ARB greenlights states GHG cap-and-trade program

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A Memorandum of Understanding has already been signed with Chiapas, Mexico, and Acre, Brazil, at the Governor’s Global Climate Summit 3 to establish these offset programs. There are also provisions to develop international offset programs that could include the preservation of international forests.

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Cummins CTO John Wall receives California’s premier air quality award

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His research has shown how elevated air pollution in some cities, such as Mexico City, can be attributed to propane use and cooking emissions rather than traffic pollution. Smith, professor of global environmental health, University of California Berkeley. Dr. Kirk R. The selection committee is comprised of past award winners.

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UNEP Report Calls for More Sophisticated Approach to Developing Biofuels; Limitations of Current LCA Studies

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Here, RME show advantages for primary energy and GHG, but disadvantages in terms of acidification, eutrophication and ozone depletion. From 2007 to 2008, the share of ethanol in global gasoline type fuel use was estimated to increase from 3.78% to 5.46%, and the share of biodiesel in global diesel type fuel use from 0.93% to 1.5%.

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SCOPE Biofuels Project Releases Assessment on Environmental Effects of Biofuel Technologies

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National programs for sustainable resource management will also have to consider the global land use associated with the domestic consumption of biomass products (agriculture, forestry) in order to limit the shift of environmental pressure to other regions. However very few studies include water use impacts. while noting that the analysis “.has

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NASA-led study identifies unprecedented depletion of stratospheric ozone layer above Arctic

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A NASA-led study has documented an unprecedented depletion of Earth’s protective ozone layer above the Arctic last winter and spring caused by an unusually prolonged period of extremely low temperatures in the stratosphere. The same ozone-loss processes occur each winter in the Arctic.

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North American Countries Target “Super” Greenhouse Gases Through Strengthened Ozone Treaty

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The US, Canada, and Mexico have submitted a proposal to strengthen climate protection under the Montreal Protocol— the international treaty that phases out the production of a number of substances responsible for ozone depletion. The proposal targets the production and use of HFCs, a group of “super” greenhouse gases. C, says IGSD.

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