Agree:
Barack Obama Former President of United States of America
Climate change is the greatest long-term threat facing the world, as well as a danger already manifesting itself as droughts, storms, heat waves and flooding.
Leonardo DiCaprio American actor, film producer, and environmental activist
Climate change is not hysteria – it's a fact
Al Gore 45th vice president of the united states
As human beings, we are vulnerable to confusing the unprecedented with the improbable. In our everyday experience, if something has never happened before, we are generally safe in assuming it is not going to happen in the future, but the exceptions can kill you and climate change is one of those exceptions.
Paul Polman CEO, Unilever
Climate change threatens the production of food staples like corn, wheat, rice and soy by as much as a quarter – but a global population of nine billion by 2050 will need up to 50% more food.
Ban Ki-moon Secretary General of the United Nations
Clock is ticking toward climate catastrophe
L. Rafael Reif President, Massachusetts Institute of Technology
I urge everyone to join us in rising to this historic challenge.Disagree:
David Bellamy English author, broadcaster, environmental campaigner and botanist
For the last 16 years, temperatures have been going down and the carbon dioxide has been going up and the crops have got greener and grow quicker. We’ve done plenty to smash up the planet, but there’s been no global warming caused by man
