In California water news this weekend, Big setback for Delta tunnels; How does climate change impact water?; Record number of chinook salmon returning to Mokelumne River; A toxic dumping ground festers on the border; US States to meet at deadline on Colorado River drought plan; and more … In the news this weekend … Big setback for Delta tunnels:  “A crucial certification needed to build two tunnels that officials believe would help solve California’s water delivery problems was withdrawn Friday, … Continue reading DAILY DIGEST, weekend edition: Big setback for Delta tunnels; How does climate change impact water?; A toxic dumping ground festers on the border; US States to meet at deadline on Colorado River drought plan; and more …