It takes less land to grow a pound of broccoli than it does a pound of beef. Less land to grow a pound of grain than a pound of beef. Less water, less energy.

If you're not buying recycled products, you're not really recycling.

We have lots of other problems with plastic in our oceans. There are five different big gyres of plastic out in the ocean. There are problems with air pollution around the country that we need to deal with, and around the world. We have a great many problems to overcome, so I work on a lot of different boards trying to help in those important areas.

I started composting in 1970 by taking my food scraps out behind where I lived and burying them in a hole next to the railroad tracks - and green things started to grow there!

The film 'Tapped' illustrates quite clearly how we've been getting 'soaked' for years by the bottled water industry.

I bought my first electric car in 1970. Its top speed was 15 mph and it had just a 15 mile range - it was essentially a golf cart with a windshield wiper and a horn.

When you're in the public eye - whether it be entertainment, sports, medicine, politics, whatever way - you have an opportunity, and I think also an obligation and a responsibility, to disseminate good information.