When Dan and Diane O'Neil first went off the grid at their home outside Billings, Mont., they didn't have much choice. With no nearby neighbors, the cost of extending electrical service to their rural home was way out of reach...

Every single person should set a cap of a total of 110 tonnes of carbon dioxide emissions over the next four decades to avoid irreversible and uncontrollable consequences of climate change, under a new proposal.

The age-old question is often a tough one. Choose paper and you may contribute to the cutting down of important carbon-reducing trees. Choose plastic and your grocery bag is bound to end up in a landfill for the next one thousand years. But some places ar

PETA aren't going to like the title of a new book on sustainable living. According to Time to Eat the Dog: The Real Guide to Sustainable Living keeping a medium-sized dog has the same impact in the environment as driving a 4.6l Land Cruiser.

There are valuable lessons planted in the Earth that we don't recognize that can teach us how to live, grow, and be wise. The Earth Speaks!

Scientists tell us that, only by bringing carbon dioxide concentrations in the atmosphere back below 350 parts per million can we be confident that we will deliver a safe climate. But some leaders are targeting for far higher, more dangerous levels...

The country's biggest solar plant is about to open, in Florida. President Obama is at the opening on Tuesday.

Centenarians with the bodies of 50-year-olds will one day be a realistic possibility, say scientists.

Proponents of the "peak oil" theory are in Denver to discuss the impacts of what they say is the quickly fading supply of the world's oil.

A type of opium poppy used to make painkillers may be sown across southern Alberta's plains, a newly released document shows.The federal government is giving thought to planting Canada's first commercial poppy crop and the parched Prairies are perfect.