Climate Act entered into force this week, setting out a framework for Sweden to reach net zero greenhouse gas emissions by 2045
Committee on Climate Change says policies needed to reach 2050 goal of 90% reduction are too weak and ill thought out
Countries of every economic, social, cultural type are passing climate change laws say researchers - but is more legislation the answer to the climate crisis?
Democrat senator believes he can pass a renewable energy bill, but warns comprehensive climate bill will have to be shelved for next two years
White House meeting fails to deliver consensus on climate bill, but Obama administration insists "we will be able to get something done this year"