We are playing Russian roulette with features of the planet’s atmosphere that will profoundly impact generations to come. How long are we willing to gamble?

Humans are an infant species, a mere 150,000 years old. But, armed with a massive brain, we've not only survived, we've used our wits to adapt to and flourish in habitats as varied as deserts, Arctic tundra, tropical rainforests, wetlands and high mountain ranges.

A book is like a single tree in a forest, in that it exists in conjunction with and because of a great many others around it.

Feeding our energy appetite is top of mind for many people these days.

Perhaps the whole world is actually a banquet, to which every living thing is invited. First you come as guests: then eventually you're on the menu.

Environmentali sm is really about seeing our place in world in a way that humans have always known up until very recently - that we are part of nature-utterly dependent on the natural world for our well being and survival.

Although they [light and medium trucks] have only 5% of the transportation market..., they account for fully 35% of greenhouse gas emissions from freight transportation.