We will begin to see more and more of these green-leveraged products, mainly because average Americans see the need to reduce our carbon footprint. You won't prove a thing in court, but our descendents' futures depend on our actions today. This is not a small issue, and the billionares are taking notice and planning their future wealth with this in mind. Wake up people, the future is coming. It's not all about saving money any more (it's about making money, too).
Billionaires versus big oil - Fortune
There is a new world of energy finance emerging under the surface. Better learn about it before it boils up on you. It does not favor the 99%.