air quality

Tag archives for air quality

When compared with gasoline-powered cars, vehicles fueled with electricity from renewable sources could cut air pollution-related deaths by 70 percent, according to a new study, which noted that air pollution is the country’s greatest environmental health threat.

A recent study of air quality around unconventional oil and gas extraction sites — more commonly referred to as fracking — found high levels of benzene, hydrogen sulfide and formaldehyde, all of which pose risks to human health. But what makes this study particularly interesting is that the air samples were collected by the very people who live near the extraction sites, and the collection times were specifically triggered by the onset of health symptoms.

Next time you pass a tree, you might want to give it a second thought. Maybe even a hug. One day, that tree might just help save your life.

Crystalline silica, hydrofluoric acid and formaldehyde. Those are just three of the dozens of air toxic chemicals that oil companies have used thousands of times in southern California in just the past year.

As Jori Lewis notes in the case study about World Trade Center recovery workers’ health and safety, those who showed up at Ground Zero on the days and weeks after 9/11 got some misleading information about the risks they faced. Most notably, the EPA issued reassuring statements about the air quality – when, according to…