OnEarth

Wartime urban gardening and the Obama's White House vegetable garden should be our inspiration in our efforts to wean our food systems off of industrial-scale agriculture, writes Michael Pollan, author of "In Defense of Food."

Oil reserves in Canada have the mouths of investors watering, and many Canadians willing to accept the vast environmental degradation that will result from the oil's extraction.

While it is hard to imagine the 20th Century without the automobile, it is equally hard to imagine the 21st Century with it - at least as is. A look at what the international automobile industry is doing to clean up their products.