DAILY DIGEST: Headed to the beach? Look out for monster 30-foot waves, CA officials warn; Tree ring study shows the Americas are prone to catastrophic, simultaneous droughts; The ocean plastic we see is ‘the tip of the iceberg’. Where’s the other 99%?; and more … Maven DAILY DIGEST December 31, 2019In California water news today, Headed to the beach? Look out for monster 30-foot waves, California officials warn; A warning...