'It's a key part of the earth's climate system and we're losing it'
The rising global population and soaring water demand mean the amount of drinkable water for every person on the planet is expected to halve by 2050, but rising temperatures as a result of climate change will make this even worse
Donald Trump may be planning a revival of the dirtiest of the fossil fuels, but the rest of the planet appears to be going green instead
'If natural gas is going to deliver on its promise, methane emissions due to leaks, venting, and flaring need to be kept to a minimum'
Lawyer says BlackRock's warning that it is losing patience with firms over global warming should be read as if voiced by 'James Earl Jones as Darth Vader'
'Now more than ever there is a need for cities’ leadership on climate'
'I agree that the effects of a changing climate — such as increased maritime access to the Arctic, rising sea levels, desertification, among others — impact our security situation'
Executive order 'could be issued as soon as this week'
‘Realising that humans have caused 50 to 70 per cent of the decline is not good news’
Rate of global warming changes significantly over past 60 years
'The upcoming choices you make will have significant impacts on the public health and environment of our country' says Mustafa Ali
The Vermont senator says Scott Pruitt's position on global warming is: 'Pathetic'
Retired professor Richard Lindzen wrote to the US President saying atmospheric carbon dioxide was 'plant food, not poison'
Loss of sea ice could have 'catastrophic' effects on the weather in much of the northern hemisphere and speed up global warming
The ancient and iconic city will be flooded because the Mediterranean Sea is forecast to rise by up to 140cm
Dr Peter Gleick says it is time for scientists to speak up about politicians who dismiss evolution, dispute the effectiveness of vaccines and otherwise disagree with hard evidence