Doomsday – 2016

Dismissing the possibility of a Republican win in November,(former Senator) Wirth called a second Obama administration term “the last window of opportunity” to enact policies that can avert a catastrophic rise in global temperatures. “It’s the last chance we have to get anything approaching 2 degrees Centigrade,” he said. “If we don’t do it now, we are committing the world to a drastically different place.”
Climate progress, 23 Dec 2011

Doomsday – 2012

Barack Obama has only four years to save the world. That is the stark assessment of Nasa scientist and leading climate expert Jim Hansen who last week warned only urgent action by the new president could halt the devastating climate change that now threatens Earth. Crucially, that action will have to be taken within Obama’s first administration, he added.
The Guardian, 18 Jan 2009

see also – Doomsday