California is set to see one of its first extended heat waves. That could mean major problems for parts of the state, where flooding is likely from a melting snowpack. Among the communities on edge is Corcoran in the Central Valley, which is already surrounded by rising water.

Guest: Joshua Yeager, Reporter, KVPR

As California wages its fight against smog and climate change, state regulators this week will vote on a plan to start phasing out diesel truck fleets -- from delivery vans, to garbage trucks, to 18-wheelers. The regulators want to see them replaced with zero emission vehicles.

Reporter: Laura Klivans, KQED

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Central Valley On Edge As Weather Heats Up