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Air & Climate Newsletter September 08, 2011 |
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| This Week´s Featured News Stories |
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Obama outrages green groups with decision to halt smog rules
President Obama has today announced he will block a proposed tightening of national smog standards, delighting polluting industries but leaving green groups furious at the apparent U-turn. The Environmental Protection Agency (EPA) last month announced that it was to delay the planned introduction of new air quality standards that would have forced power stations and industrial plants to curb emissions that result in the formation of ground level ozone. Green groups ... | ||
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GHG emissions from shale greater than conventional gas, coal or oil
Over a 20-year time period, the greenhouse gas (GHG) footprint of shale gas is greater than that of coal, oil or conventional gas, according to a recent study. Methane emissions make up most of this footprint. This suggests that substituting conventional fossil fuels with shale gas may not have the desired effect to mitigate climate warming in the short-term. Global reserves of natural gas extracted from reservoirs (conventional gas) are being depleted. Technological development has allowed unconventional sources of natural gas to be exploited, including natural gas trapped in the ... | ||
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