First recent US case of human bird flu confirmed in Colorado

A Colorado prison inmate has become the first person in the U.S. to test positive for bird flu in a recent outbreak that has led to the deaths of millions of chickens and turkeys, but federal officials say they still see ...

New report finds stark transit inequity in Baltimore

Shortcomings in the Baltimore region's public transit system disproportionately affect low-income and minority neighborhoods, according to a new report from Johns Hopkins University's Department of Environmental Health and ...

The long-term effect of wildfires in Canada: Q and A

The most harmful air pollutant worldwide is fine particular matter. In Canada, the biggest natural source of this pollutant is wildfires. Winds can spread wildfire smoke over a wide area, affecting areas hundreds of kilometers ...

Cancer-causing dust released by earthworks

Tiny, needle-like fibers that can become airborne if bedrock is disturbed during earthworks has the potential to cause asbestos-type disease and should be investigated, scientists say.

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