Auto giant purchases 25 per cent stake in Australian mining firm as part of agreement designed to accelerate the extraction of lithium reserves for use in iconic Prius

With his Senate super-majority gone, can the President continue to pursue plans for a US climate change bill?

Massachusetts election defeat and Republican plan to block Environmental Protection Agency from regulating carbon threaten to leave the president's climate change strategy in tatters

As defeat in Massachusetts robs Democrats of their filibuster-proof Senate majority, senator Murkowski plans amendment to stop EPA regulating carbon emissions

Investors to file resolution demanding more information on the risks associated with controversial oil sands projects

New mandatory Calgreen building code will ensure new buildings improve energy efficiency, cut waste to landfill and curb water use

New rules to help accelerate the flow of cash for transit projects designed to curb carbon emissions

Government report warns that economic recovery will result in increased carbon emissions, making it tougher for administration to hit 2020 target

Report released to coincide with North American International Auto show says electric cars and plug-in hybrids could account for more than 15 per cent of the market within five years

Nine projects focused on improving the fuel efficiency of large trucks and passenger vehicles receive fresh round of government funding