KQED and the Center for Investigative Reporting co-produced  a documentary about the impacts of climate change on California food production. A half-hour in length, "Heat and Harvest" has three distinct segments:

1. Cherries, said reporter Mark Schapiro, are the canary in the climate coalmine for California tree crops. "They're highly sensitive to changes in temperature and rainfall, which scientists say are being altered by climate change," he said.
   
   The segment included comments from Joe Grant, UC Cooperative Extension advisor in San Joaquin County.
   
   He said California cherry...