Air Pollution

The San Onofre and Diablo Canyon nuclear power plants. (Photo by David McNew/Getty Images)

Supreme Court Seems Divided Over EPA Mercury Limits

The Supreme Court’s conservative justices cast doubt Wednesday on the Obama administration’s first-ever regulations aimed at reducing power plant emissions of mercury and other hazardous air pollutants.

03/26/2015

Smoggy Air

Sunday Marks Bay Area’s 22nd Spare The Air Alert This Season

The alert puts into effect a ban on burning wood, manufactured fire logs and other solid fuels for 24 hours.

01/25/2015

Smoggy Air

Bay Area’s 4th Straight Spare The Air Alert Issued For Monday

The 10th Winter Spare the Air Alert this season has been issued for Monday.

01/04/2015

Chevron Refinery Flare

Chevron Agrees To Let County Officials Oversee Probe Into Flaring Incident At Richmond Refinery

Chevron will meet with Contra Costa Health Services and Bay Area Air Quality Management District officials on a weekly basis to provide status updates on the investigation.

12/30/2014

Flames seen illuminating the steam cloud during a flare-up on December 18th, 2014 (CBS)

Richmond Official Blasts Chevron For Calling Huge Flare At Plant ‘Routine’

Supervisor John Goia said the series of flares were an emergency reaction to something that went wrong at the plant.

12/19/2014

The Four Corners area (red) is the major U.S. hot spot for methane emissions in this map showing how much emissions varied from average background concentrations from 2003-2009. Dark colors are lower than average; lighter colors are higher. (NASA)

Mysterious Sources Of Methane Viewed From Space Makes Central California 2nd Worst ‘Hot Spot’ In Nation

A small hot spot in California’s Central Valley is likely the second largest concentration of the greenhouse gas methane seen over the United States, according to a new study of satellite data.

10/09/2014

Smoggy Air

Sweltering Heat, Unhealthy Ozone Pollution Prompts Spare The Air Alert For Friday

The Bay Area Air Quality Management District issued a Spare The Air alert for Friday due to high temperatures and low winds and smoggy conditions.

10/02/2014

Blink electric car charger by Ecotality. (CBS)

Gov. Brown Signs Legislation To Boost Clean-Air Vehicle Use

Gov. Jerry Brown signed into law several bills designed to boost use of clean-air vehicles in California.

09/21/2014

Chevron refinery in Richmond. (Justin Sullivan/Getty Images)

Environmental Group Sues Bay Area Air Quality Agency Over Chevron Modernization Projecy

An environmental group is suing the agency that oversees air quality in the Bay Area after approving a $1 billion modernization expansion project at its Richmond refinery.

06/05/2014

Smoggy Air

4th Straight Spare-The-Air Alert Issued For Thursday

The fourth consecutive “Winter Spare the Air” alert has been issued for Thursday.

12/25/2013

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