Obama unveils US clean power plan – video

Barack Obama announces on Monday 'the biggest, most important step' the US has ever taken to combat climate change – the new clean power plan. Outlining the scientific evidence for global warming, including the negative effects on people's health, the US president says the problem is no longer for another generation. Calling time on the lack of federal limits on the amount of carbon pollution power plants can release, Obama also focuses on the creation of new jobs through sustainable, cleaner energy development