Nature reporter Jeff Tollefson woke up this morning in 2015.

He’s taking part in a ‘climate war game’ Washington, where four teams representing China, India, Europe and the United States are negotiating a new agreement on greenhouse gas emissions.

Today the participants woke up in the year 2015, and the outlook on global warming is significantly worse than it was just seven years earlier. … Droughts, heavy rains, floods and other extreme weather events are on the rise. Some 250,000 refugees from Bangladesh are camped out on the border of India, two years after their country was ravaged by a typhoon.

“It feels a bit like a grown-up version of Dungeons and Dragons to me, but I’m willing to give it a try,” he says.

Follow his progress over on our conference blog.