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....
New study finds nearly all shoppers now routinely use their own bags
Following accusations a reliance on wind power was to blame, energy experts reflect on what may have really caused South Australia's blackouts this week
Carmaker claims new model has the longest driving range of any mainstream electric car and will break down 'psychological barriers' to EV adoption
Norwegian capital's new 'climate budget' includes plans to slash emissions from cars, homes and businesses