article thumbnail

Study finds that replacing older, highly polluting school buses could lead to 1.3 million fewer daily absences annually

Green Car Congress

Replacing all of the oldest, highly polluting school buses in the US could lead to 1.3 Even relatively short commutes on school buses can dominate students’ daily air pollution exposures. Applying their results nationwide, the researchers extrapolated that replacing all pre-2000 model school buses would lead to more than 1.3

Pollution 170
article thumbnail

Survey shows % of Californians walking, biking or used public transit more than doubled since 2000

Green Car Congress

Results from the California Household Travel Survey ( CHTS ) —the largest and most complex review of its kind— show that the%age of California residents walking, biking, or using public transportation on a typical day has more than doubled since 2000. In 2000, that share was only 11%.

2000 255
article thumbnail

10-year study shows how air pollution fosters heart disease; accelerated plaque build-up in arteries

Green Car Congress

Long-term exposure to particulate air pollution has been linked to an increased risk of heart disease, but the biological process has not been understood. Repeated scans were done for nearly all participants between 2002 and 2005; for a subset of participants between 2005 and 2007; and for half of all participants between 2010 and 2012.

Pollution 199
article thumbnail

Air pollution regulations over last decade in Chinese city has halved health costs

Green Car Congress

The study is the first to document the health and economic benefits of policies to reduce the burden of air pollution in a highly polluted area of China, and provides a model to measure how policies to improve air quality can protect human health. The cost of premature death due to air pollution decreased by 3.83

Pollution 218
article thumbnail

Harvard study links short-term exposure to PM2.5 with risks of common but rarely studied causes of hospital admissions; substantial economic costs

Green Car Congress

The study shows that the health dangers and economic impacts of air pollution are significantly larger than previously understood. Fine particulate air pollution is composed of tiny solids and liquids floating in the air that come from sources such as motor vehicles, coal-fired power plants, and wildfires. Chan School of Public Health.

Pollution 332
article thumbnail

California Air Resources Board posts revised draft of strategy to reduce “Super Pollutants”

Green Car Congress

The California Air Resources Board (CARB) has posted a revised draft of California’s proposed Short-Lived Climate Pollutant (SLCP) Strategy. SLCPs are a category of pollutants which remain in the atmosphere for a relatively brief period, but have global warming potentials that are much higher than those of CO 2.

Pollution 150
article thumbnail

Canada publishes proposed regulations for criteria pollutants from locomotives

Green Car Congress

This marks Canada’s first regulation of air pollutant emissions from locomotives. The United States started regulating CAC emissions from locomotives in 2000. 2012–2014. The Government of Canada has published proposed Locomotive Emissions Regulations in the Canada Gazette, Part I. These regulations were updated in 2008.

Canada 150