Barack Obama

Google and Walmart among those who signed a White House pledge to support a strong climate agreement and reduce their emissions

President Obama is today taking part in a discussion with Intel, Hershey and others on tackling climate change

Level of belief has increased seven percentage points in the past six months as climate change brings weather events closer to home

Strongly-worded resolution demanding action on climate change is set to be passed today by parliamentary assembly

Pope Francis welcomes Obama's Clean Power Plan, arguing 'climate change is a problem which can no longer be left to a future generation'

Presidential candidate says the controversial project is a 'distraction' and not in the best interests of 'what we need to do to combat climate change'

Obama's climate policies face blanket opposition from Republican Presidential field, but a small group of GOP politicians is preparing to break rank

US President unveils plans to boost climate resilience in Arctic state, where warming is happening at double the speed of the rest of the continental US

Obama risks torching his otherwise admirable climate change legacy, through his failure to comprehend the scale of change that is necessary - business leaders must avoid making the same mistake

President expected to announce a series of new climate resilience measures on three-day visit, but green groups accuse him of hypocrisy over Arctic drilling