As part of ongoing work to improve California’s preparedness for dry conditions and better adapt to climate change, DWR has released results of a study examining Southern California tree-ring data, and the centuries-long story the tree-rings reveal.

As part of ongoing work to improve California’s preparedness for dry conditions and better adapt to climate change, DWR has released results of a study examining Southern California tree-ring data, and the centuries-long story the tree-rings reveal.