American Lung Association: 41 percent of Americans live in counties with unhealthful levels of ozone or particle pollution

Thanks to the Clean Air Act, we’ve made great progress in cleaning up air pollution from across the U.S. The State of the Air 2012 shows that the air quality in many places has improved, but that over 127 million people—41 percent of the nation—still suffer pollution levels that are too often dangerous to breathe. […]

Record-high Antarctic sea ice extent is consistent with global warming

By Natalie Wolchover19 September 2012 Distracting from the news that Arctic sea-ice extent reached a record low on 16 September 2012 is a widely circulating blog article claiming that at the opposite end of the Earth, Antarctic sea ice is more than making up for the losses. In the post, climate change skeptic and blogger […]

Ozone layer recovery to take 40 years: World Meteorological Organization

Contact: Clare Nullis, Press Officer, WMO, Tel +41 (0)22 730 8478 Michael Williams, Chief, Communications and Public Affairs. Tel: +41 (0)22 730 8315 GENEVA, 14 September 2012 (WMO) – An international agreement to phase out chemicals which attack the Earth’s vital ozone shield celebrates its 25th anniversary as a showcase for successful global environmental cooperation, […]

Smugglers reap large profits from banned ozone-destroying coolant

By ELISABETH ROSENTHAL and ANDREW W. LEHREN7 September 2012 MIAMI – The chief executive of the century-old company from America’s heartland shifted nervously on the witness stand here as he tried to explain how a trusted senior vice president had been caught on a wiretap buying half a million dollars in smuggled merchandise, much of […]

Image of the Day: Satellite view of thick smoke from wildfires over Wyoming, 14 August 2012

Wildfires in California, Oregon, Idaho, and Nevada sent smoke over large stretches of the United States in mid-August 2012. Particularly thick smoke collected over Wyoming on August 14, when the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite captured this natural-color image. Smoke filled the skies over most of the state; over the south-central […]

Image of the Day: Satellite view of smoke from wildfires in the U.S. West spreading eastward, 12-14 August 2012

Caption by Michon Scott19 August 2012 Intense wildfires in California and Idaho sent smoke eastward across the United States in mid-August 2012. Smoke affected air quality as far away as the Great Lakes Region, and some of the thickest smoke stretched from the Dakotas to Texas. Wildfire smoke is a combination of gases and aerosols—tiny […]

Smoke from Siberia fires raises ozone levels in British Columbia to record levels

11 July 2012, Canadian Press – Smoke lingering over much of British Columbia from Siberian wildfires has pushed ozone levels in parts of the province to never-before-seen numbers. By Monday, ozone levels reached 84 parts per billion in the central Interior region, about three times the average for July. B.C. Ministry of Environment air-quality meteorologist […]

10 most polluted U.S. cities

By Les Christie 25 April 2012 The U.S. has significantly reduced its air pollution, but there’s still a lot of work to be done. These 10 cities had the highest levels of year-round particle pollution, according to the American Lung Association’s 2012 rankings. 10. Philadelphia Population: 6,533,683Cardiovascular cases: 1,660,434Rank in most ozone-polluted cities: 16 The […]

Graph of the Day: Premature Deaths from Ground-level Ozone, Projected to 2050

Urban air pollution is set to become the top environmental cause of mortality worldwide by 2050, ahead of dirty water and lack of sanitation. The number of premature deaths from exposure to particulate air pollutants leading to respiratory failure could double from current levels to 3.6 million every year globally, with most occurring in China […]

Melting Arctic ice could poison ecosystem, experts say

[cf. Polar bears ill from accumulated environmental toxins] By John Size, CTV News 18 March 2012 Arctic sea ice that’s been melting at a dramatic rate in the last few decades is releasing a chemical soup that could poison the food chain with mercury and other dangerous chemicals, a new study suggests. The NASA-led research […]

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