Category Archives: USA & Canada

US supreme court strikes down Obama’s EPA limits on mercury pollution

The US supreme court struck down new rules for America’s biggest air polluters on Monday, dealing a blow to the Obama administration’s efforts to set limits on the amount of mercury, arsenic and other toxins coal-fired power plants can spew … Continue reading

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World pollutionwatch: Slow progress on the exhaust front

Travel the world and you will see many of the same types of lorries, buses and cars on the roads but what comes from their exhaust can be very different. The US, Japan and Europe were the first to set … Continue reading

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California wildfire prompts air quality advisory in Las Vegas

Smoke drifting into the Las Vegas Valley from a wildfire in the San Bernardino, Calif., area has prompted Clark County to issue an air quality advisory. The advisory for smoke and ground-level ozone is in effect through Friday. At this … Continue reading

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Ontario Launches New Air Quality Health Index

New Tool Will Help Ontarians Make Informed Decisions About Their Health Today Ontario launched the new Air Quality Health Index to give Ontarians better information about health risks due to air pollution. The Air Quality Health Index works like the … Continue reading

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Is city biking hazardous to your health?

People used to say that exercising in New York City was like smoking a pack of cigarettes. Luckily, conditions have vastly improved, according to a recent NYC Health Department report, but some areas of the city continue to have high … Continue reading

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Unhealthy air quality forecast Thursday and Friday

Air pollution is forecast Thursday to reach unhealthy levels for sensitive groups, including children, the elderly, and people with asthma, heart disease or lung disease. The Maryland Department of the Environment has issued a “Code Orange” alert across the Baltimore … Continue reading

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Far away forest fires make skies hazy over Winnipeg

The hazy sky over Winnipeg Monday is courtesy dozens of forest fires burning hundreds of kilometers away. There are at least two “hot spots” in Northern Manitoba, with another 20-plus forest fires burning in Saskatchewan. The Air Quality Health Index … Continue reading

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Air pollution below EPA standards linked with higher death rates

A new study by researchers at Harvard T.H. Chan School of Public Health found that death rates among people over 65 are higher in zip codes with more fine particulate air pollution (PM2.5) than in those with lower levels of … Continue reading

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