Explore a massive abandoned Canadian mansion reportedly valued at $45 million, showcasing extreme luxury architecture left unfinished or deserted. This estate features sprawling layouts, high-end ...

Add Yahoo as a preferred source to see more of our stories on Google. The Peter Grant mansion, known as Canada's largest home, has been abandoned for over a decade. The 65,000-square-foot home on Lake ...

A recent study finds that annual methane emissions from abandoned oil and gas (AOG) wells in Canada and the US have been greatly underestimated - by as much as 150% in Canada, and by 20% in the US.

(Reuters) - Methane leaking out of the more than 4 million abandoned oil and gas wells in the United States and Canada is a far greater contributor to climate change than government estimates suggest, ...