People won't change until it hits them in the wallet. $10-$15 a gallon gas would probably bring about change (and riots).

--

I took my lawns out about 5 years ago in the midst of the last water rationing and I live in northern California. We need our water to fight fires. Southern California is worse, much drier. It's certainly no climate for lawns, cactus are better suited there.

--

We are supposed to be conserving water. I see no indication of that at all. Look at all the municipal buildings and university campuses with expansive lawns.