The National Weather Service distributed a remarkable photo the other day – a satellite view of California showing just how green it has become after heavy winter rains.

The occasion was St. Patrick’s Day, but the photo’s true meaning was the vernal equinox’s age-old promise of renewal. California is green again, except for its deserts and its snow-covered mountains, and its reservoirs are, for the first time in years, holding healthy amounts of water – so much, in fact, that releases are being increased to make room for melting snow.