Archive Tag: Greenhouse Gases

The 2017 Energy and Air Quality report card examined 21 indicators in five categories to assess energy use, greenhouse gas emissions and air quality in Los Angeles County.

The UCLA Sustainable LA Grand Challenge released the 2017 Sustainable LA Environmental Report Card on Energy and Air Quality for Los Angeles County on April 27, 2017. After analyzing roughly a decade’s worth of key energy and environmental data, UCLA researchers gave a C grade for energy and air quality within Los Angeles County in the latest environmental report card. Read more

Downtown Los Angeles’ tallest buildings rise above a blanket of smog in October 1973.
(Fitzgerald Whitney / Los Angeles Times)

As Donald Trump’s Environmental Protection Agency debates whether or not to loosen federal regulations on auto emissions, the State of California is taking steps to escalate its own targets. On Friday, March 24, state regulators voted to increase pollution-reduction requirements for automakers selling cars in the state and expand the Read more

Tripati, an associate professor at UCLA’s Department of Earth, Planetary, and Space Sciences, and Institute of the Environment and Sustainability, has spent her career putting climate data into context. Her lab uses chemistry to reconstruct the climate norms of the distant past—norms that make today’s atmosphere look a lot more alarming.

In an interview with Popular Science, Aradhna Tripati, an associate professor at UCLA’s Department of Earth, Planetary, and Space Sciences and Institute of the Environment and Sustainability, employs a series of humorous analogies to articulate her conviction that climate change is real. “It’s like you’re adding drops of poison to a Read more

A truck is tested to see if it meets emissions standards at a California Air Resources Board facility in Los Angeles.
(Allen J. Schaben / Los Angeles Times)

California has always had some of the strictest environmental laws in the country, and legislators hope to keep these policies intact in the face of decreased federal funding and the loosening of environmental regulation in Washington. However, this process will be difficult as it challenges the relationship between states and the federal Read more