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Climate Change

California has set some of the world’s most aggressive climate and clean-energy policies. We investigate how successful these policies are and how they affect Californians.

A large oil refinery is illuminated against the backdrop of a twilight sky. Tall distillation towers with staircases and platforms rise into the air, with numerous lights glowing across the industrial structure. A plume of black smoke drifts from one of the stacks, contrasting with the warm hues of the sunset. Metal pipes, walkways, and scaffolding weave throughout the refinery, creating a dense, industrial landscape.
The Chevron refinery in Richmond is located behind a nearby neighborhood on Feb. 21, 2024. Photo by Loren Elliott for CalMatters
A juvenile salmon is laid onto a white ruler to measure while inside a small net in a bucket of water.
An aerial view of a large dam spanning a deep blue reservoir, surrounded by rolling green hills covered in trees and shrubs. The water extends into multiple inlets and peninsulas, creating an intricate shoreline. In the background, snow-capped mountains rise above the horizon under a clear blue sky. A hydroelectric facility and other infrastructure are visible near the base of the dam, along with winding roads leading through the landscape.

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