Change is never easy, and it often creates discord, but when people come together for the good of humanity and the Earth, we can accomplish great things.

Japanese people cut their energy use by 25 percent immediately after Fukushima. They showed there was huge opportunity there. And instead, the government simply wants to get those plants up and running again.

I see a world in the future in which we understand that all life is related to us and we treat that life with great humility and respect.

Other things, like capitalism, free enterprise, the economy, currency, the market, are not forces of nature, we invented them. They are not immutable and we can change them.

Plastic bags are bad and for the most part unnecessary.

Education has failed in a very serious way to convey the most important lesson science can teach: skepticism.

If America wants to retain its position as a global power, its president must listen to the people and show strong leadership at this turning point in human history.