Michael Dudley

The impact of China's industrial growth on its own lands, waters and peoples has been recognized; now we are seeing its effects on the rest of the world.

Extracting the hundreds of billions of barrels of recoverable oil trapped in the sands of northern Alberta will have a huge environmental price tag.

Jakarta, Dhaka, Lagos, Mumbai, Tokyo and Mexico City are among the world's megacities that are face major environmental and social challenges.

A geologist's controversial theory that the oil in Alberta's tar sands flowed from coal fields based on ancient peat, could mean that there are vast supplies of oil waiting to be discovered, not just in Alberta but all over the world.

Soaring gas prices in the aftermath of Hurricanes Katrina and Rita have seen a dramatic drop in SUV sales.