A scientific research group here in the Bay Area is generating new evidence about another type of pollution caused not just ...

The pollutant is also being blamed for the kill-off of Coho Salmon in California, according to a report by ABC7.

In the 1990s, scientists restoring streams around Seattle, Wash., noticed that returning coho salmon were dying after rainstorms. The effects were immediate: the fish swam in circles, gasping at the ...

WASHINGTON (AP) — President Donald Trump on Wednesday announced a proposal to weaken vehicle mileage rules for the auto industry, loosening regulatory pressure on automakers to control pollution from ...

The president wants to weaken limits on tailpipe pollution. Scientists say it’s driving climate change and taking human lives “every day.” By Lisa Friedman Reporting from Washington President Trump ...

While it's not quite the 2009 Cash for Clunkers program, it's a nice gesture with a clear mission: get the most polluting cars off Colorado roads. If you're a Coloradan who owns a pre-1990 car, donate ...