Michael Dudley

The greatest moral threat to the United States is not gay marriage, writes Derrick Jackson, but the inability to live within our means in a world of want.

A major study shows that between the melting of the polar arctic ice cap and the accumulation of toxic chemicals, northern wildlife including the polar bear are heading for extinction in this century.

Simulations of mass wind-power operations show that they would change the climate on a global scale.

At 8,000 lbs, the "Smart Truck" will dwarf the Hummer.

The Federation of Canadian Municipalities is advocating a four-point strategy to address Canada's affordable housing crisis.