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Air February 26, 2019

Noise-weary New York ponders a gentler, European-style siren

That long, droning police and ambulance siren that has been part of the soundtrack of New York City for generations could be changing.

Water December 5, 2018

EPA: Fish damage from mine spill wasn't severe, long-lasting

Fish and other aquatic life did not suffer severe or long-lasting damage from a mine waste spill three years ago that polluted rivers in three states, the U.S. Environmental Protection Agency said.

DISASTERS December 1, 2018

AP FACT CHECK: 11 Trump climate goofs and 1 correct claim

It's elemental.

DISASTERS November 15, 2018

The Latest: Trump to meet with California wildfire victims

The Latest on wildfires in California (all times local): 7:45 a.m.

DISASTERS November 9, 2018

The Latest: California evacuees recount harrowing escape

The Latest on wildfires in California (all times local): 6:15 a.m.

DISASTERS November 8, 2018

The Latest: Official: 2 firefighters, others hurt in blaze

The Latest on evacuations ordered for a wildfire in Northern California (all times local): 10 a.m.: A wildfire in Northern California has grown to nearly 8 square miles (20 square kilometers) as officials rush to evacuate residents.

Air September 21, 2018

Report: Air quality near troubled landfill posed health risk

A new report says emissions near a troubled St. Louis County landfill posed health concerns for workers and nearby residents, but remediation efforts have largely diminished the risks.

US September 18, 2018

Google Street View cars to be outfitted with pollution sensors to measure US, Europe air quality

A San Francisco environmental sensor company is partnering with Google to turn the tech giant's roving Street View fleet into mobile pollution detectors -- a move critics fear ultimately will be used to justify more regulations.

Fires August 19, 2018

Smoky skies, poor air from wildfires return to Northwest

Poor air quality will be common across parts of the Pacific Northwest this week as winds push smoke from surrounding wildfires into the region, forecasters and regulators said.

Innovation August 16, 2018

Electric-powered planes are taking off amid rising fuel costs

Aviation pioneers are developing a new way to soar through skies using electric-powered planes as a way to battle rising jet fuel prices.

Fires August 14, 2018

The Latest: Cars line up as Yosemite National Park reopens

The Latest on wildfires burning across the U.S. West (all times local): 8:45 a.m.