Today: 25.Jun.2017
John Shanahan

John Shanahan

Barack Obama, President of the United States: "Few challenges facing America and the world are more urgent than combating climate change. The science is beyond dispute and the facts are clear." "With all due respect Mr. President, that is not true." We, the undersigned scientists, maintain that the case for alarm regarding climate change is grossly overstated.

George Monbiot, author, writer for The Guardian: If our airports are full, there’s an immediate solution. Fly less. The Free Ride campaign has proposed a just means of achieving this: curb demand by taxing frequent flyers, but not those who seldom fly. (In case you’re wondering, I limit my flying to once every three years). But reason has taken flight, the moral compass spins, greed and desire soar towards the stratosphere, and our conscience vanishes in the clouds.

Michael Mann, Professor of Atmospheric Science and Director of the Earth System Science Center at Penn State University. 400 parts per million, what does it mean? It’s the number of molecules of CO2 for every million molecules of air; 400 of them are now CO2. Just two centuries ago, that number was only 280 parts per million. We have to go several million years back in time to find a point in earth’s history where CO2 was as high as it is now. We believe that with that amount of CO2 in the atmosphere, we commit to what can truly be described as dangerous and irreversible changes in our climate.

Michael Mann, Professor of Atmospheric Science and Director of the Earth System Science Center at Penn State University and co-author of The Madhouse Effect: How Climate Change Denial Is Threatening Our Planet, Destroying Our Politics, and Driving Us Crazy. The President of the USA should read the landmark “2020” report now published by Mission 2020, a group of experts convened by the former Executive Secretary of the United Nations Framework Convention on Climate Change. The report establishes a timeline for how we can ensure a safe and stable climate. We don’t have much time — 2020 is a clear turning point.