Remove 2007 Remove Climate Change Remove Ozone
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UN Review of Recent Climate Research Concludes That Impacts Of Climate Change Coming Faster Than Anticipated

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Significant climate anomalies 2008/2009. Source: Climate Change Compendium. per year from 2000-2007. In 2007, summer sea ice in the Arctic Ocean shrank to its smallest extent ever, 24% less than the previous record in 2005, and 34% less than the average minimum extent in the period 1970-2000. Click to enlarge.

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EPA says methane emissions from natural gas production have dropped 36% from 2007-2011

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In its recently released Inventory of US Greenhouse Gas Emissions and Sinks: 1990 – 2011 ( earlier post ), the US Environmental Protection Agency (EPA) reported that methane (CH 4 ) emissions from the field production of natural gas have declined by 36% from 2007 to 2011 (from 83.1 Climate Change Emissions Natural Gas'

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NOAA Study Identifies Nitrous Oxide as Top Ozone-Depleting Emission in 21st Century

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Currently, anthropogenic N 2 O emissions represent the largest contribution to ozone depletion. The study, published online 27 August in the journal Science , for the first time evaluated nitrous oxide emissions from human activities in terms of their potential impact on Earth’s ozone layer. Source: Ravishankara et al. TgCO 2 e, 9.7%).

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Study associates long-term exposure to air pollution with increasing emphysema

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Long-term exposure to ambient air pollutants, especially O 3 (ozone), is significantly associated with increasing emphysema, according to a new study led by the University of Washington, Columbia University and the University at Buffalo. The annual averages of ozone levels in study areas were between about 10 and 25 ppb.

Pollution 223
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California Air Resources Board Unveils $3.7M in Rebates for Plug-in Hybrid and Zero-Emission Vehicles

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million program that Governor Schwarzenegger approved in 2007 to spur technological innovation in the transportation sector. Cars and trucks account for over half of the emissions that contribute to ozone and particulate matter as well as about 30% of the total greenhouse gas emissions in California.

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EPA Issues Proposed Endangerment Finding for Greenhouse Gases; Proposed Cause or Contribute Finding Identifies Motor Vehicles as Contributing Source

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After a thorough scientific review ordered in 2007 by the US Supreme Court, the US Environmental Protection Agency (EPA) issued a proposal with two distinct findings regarding greenhouse gases. In both magnitude and probability, climate change is an enormous problem. harm to water resources, agriculture, wildlife and ecosystems.

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EPA, NHTSA issue One National Program Rule; EPA withdraws CA waiver for GHG and fuel economy

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EPA finds that California does not need its GHG and ZEV standards to meet compelling and extraordinary conditions because: Those standards address environmental problems that are not particular or unique to California (an argument adduced by the Bush administration’s EPA when it denied California’s waiver request in 2007, earlier post ); and.