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California Air Resources Board

A French high speed train TGV. (ALAIN JULIEN/AFP/Getty Images)

Lawsuit Contests High-Speed Rail Air Quality Plans

Suit says state agency downplays harmful environmental effects and exaggerates benefits.

06/23/2014

air quality improving

Study Finds Regulations Could Be Improving Sacramento’s Terrible Air Quality Rating

The American Lung Association ranks Sacramento as having the fifth-worst air quality in the nation, but new testing reveals that ranking may soon begin to fall, meaning possible big savings for the state.

05/22/2014

File photo of a judge's gavel. (credit: Joe Raedle/Getty Images)

Court Upholds Calif.’s Low Carbon Fuel Standard

A panel of federal judges on Wednesday upheld California’s first-in-the-nation mandate requiring fuels producers to reduce greenhouse gas emissions.

09/18/2013

bulldozer

On The Money: Air Pollution Fight Gets Dirty

The fight over diesel fuel is heating up. Public health advocates are battling it out with the construction industry over new rules that were supposed to start in 2012, but have now been pushed back another two years.

CBS13/CW31–11/04/2010