When it comes to energy, cost isn't everything - but it's a lot. Everybody wants cheap power.

Have we failed to slow global warming pollution in part because climate and environmental activists have been too polite and well behaved?

This Dewdrop World is a beautiful, courageous, intimate film about love and loss. It may also be the deepest meditation on climate change that I've ever seen.

In the world of energy politics, the sudden vanishing of the word 'coal' is a remarkable and unprecedented event.

Some studies suggest that the Arctic Ocean may be ice-free by the end of the century.

When it comes to energy, cost isn't everything - but it's a lot. Everybody wants cheap power.

Extracting oil from the tar sands is a nasty, polluting, energy-intensive business.