The world must sharply draw down greenhouse gas emissions and suck billions of tonnes of carbon dioxide from the air if today's youth are to be spared climate cataclysm, a top scientist warns.
James Hansen, the former Nasa scientist, considered the father of global awareness of climate change, says the Paris climate talks is 'a fraud'.
The world must sharply draw down greenhouse gas emissions and suck billions of tonnes of carbon dioxide from the air if today's youth are to be spared climate cataclysm, a top scientist warns.
James Hansen, the former Nasa scientist, considered the father of global awareness of climate change, says the Paris climate talks is 'a fraud'.