Air Quality Matters

Landmark California program could have huge emissions-reductions impact

December 14, 2020November 6, 2012

In the United States, transportation accounts for about 28 percent of total greenhouse gas (GHG) emissions. In California’s San Joaquin Valley, GHG emissions are estimated to be as high as 40 percent. Compared to other sectors, emissions from transportation have been increasing more rapidly. “In fact, between 1990 and 2006, growth in U.S. transportation GHG … Read more

Smog more than an eyesore – it’s a wake-up call

June 13, 2020November 5, 2012

On a visit to Sequoia National Park and to Moro Rock in particular once I overheard a man talking to whom I had assumed to be his young daughter, making reference to the blanket of smog off to the west covering the San Joaquin Valley floor. To the trained eye, unmistakable was the grayish-brown haze. … Read more