We tend to overlook the fact that a mature clean energy economy in fact will give an opportunity to ordinary people to earn more money as clean energy workers/entrepreneurs - and save more money, through conservation and energy efficiency.

The Russians have had and continue to have an active program to undermine American society.

We're now moving into a stage where the green economy isn't just going to be the place for people to spend money. It's going to become a place where a lot more people can earn money, and also save more money. These kind of solutions require collective action and government action. So as an advocate for government change, even somebody like me gets to have a role.

The human family has invaluable friends and irreplaceable allies in the plant and animal worlds. We cannot continue to tug at the web of life without tearing a hole in the very fabric of our earthly existence - and eventually falling through that hole ourselves.

The laws of supply and demand drive up the price, inevitably, over time. But solar and wind are abundant and renewable resources.

In the U.S., African- Americans, no matter what we do - when we sit in, when we freedom ride, when we kneel in, whatever it is, the initial response from the public tends to be overwhelmingly negative, because basically we're kind of raining on folks' parades. As time goes on, the Muhammad Ali's and all the people that raised those issues, they then become heroes later when people reflect on the courage they showed and the issues that they raised. And Donald Trump is in danger of being a more and more reviled figure as the years go on.

I don't like to comment on a specific local issue because there are plenty of people already working on the problem who know a lot more about it than I do.