Driverless cars are coming to your street - the only question is, 'When?'

And when these advances are made, hydrogen can fill critical energy needs beyond transportation. Hydrogen can also be used to heat and generate electricity for our homes. The future possibilities of this energy source are enormous.

On the battlefield, the military pledges to leave no soldier behind. As a nation, let it be our pledge that when they return home, we leave no veteran behind.

TPP replicates similar language from past trade agreements that has allowed foreign corporations the right to challenge U.S. federal, state, and local laws outside of American courts. These tribunals will not meet our high standard of transparency and due process, and they will rely on weak impartiality rules for selecting judges.

We need a NASA-like organization for ocean exploration, because we need to be exploring and protecting our life support systems here on Earth.

There's a lionfish cookbook put out by the Reef Environmental Educational Foundation, and it tells you how to catch them, how to clean them.

You can't solve climate change by everybody individually buying a more efficient car and throwing out less stuff. You have to make national changes through national policy.

If you've read 'Dark Ecology,' you'll know there's a whole thing about cats in it, more than once.