The row over the EU's plan to label tar sands oil as highly polluting escalates, as Canada says it 'will not hesitate to defend its interests'
Canada has threatened a trade war with European Union over the bloc's plan to label oil from Alberta's vast tar sands as highly polluting, the Guardian can reveal, before a key vote in Brussels on 23 February....
US customers can now purchase 'zero-waste boxes' from office supplier Staples, to fill with assortment of household and office waste for recycling
Scandinavian country plans to cut its own emissions by 85 per cent and offset the rest abroad
Green energy supplier surpasses "Big Six" with largest price cut so far
Wind energy maps created using scanning lasers could provide investors with more confidence on offshore wind farms' potential yields