The Clean Energy Future Is Arriving Faster Than You Think - The New York Times:

Today, solar and wind power are the least expensive new sources of electricity in many markets, generating 12 percent of global electricity and rising. This year, for the first time, global investors are expected to pour more money into solar power — some $380 billion — than into drilling for oil.

What’s driving new growth in renewable energy? It’s not saving the environment. It’s saving money.