I ride my bike for transportation a great deal - occasionally I ride it for fun. But I also have a generator bike that's hooked up to my solar battery pack, so if I ride 15 minutes hard on my bike, that's enough energy to toast toast, or power my computer.

I'm a strong proponent of green tech for anyone who can afford it, having spent the last 40 years working toward achieving a smaller and smaller eco-impact for myself.

What we often fail to recognize is how efficient a vegan diet is. Less land, less water, more food for our spiraling population.

The two most abundant forms of power on earth are solar and wind, and they're getting cheaper and cheaper.

There are many different ways now to experience nature. Get out there and hike.

The food in Yugoslavia is fine if you like pork tartare.

I've lived a slower and less expensive life going off the grid, and I'm happier because of it.