What could 4 degree warming increase mean for the world?

The international conference at Oxford University dubbed “4 degrees and beyond” is the first of its kind to consider the global consequences of climate change beyond 2 degrees Celcius. Amongst the speakers include Dr. Philip Thornton of the International Livestock Research Instutite, speaking on sub-Saharan agriculture.

“A leading climate scientist has presented new research findings on the increasing potential for a 4 degrees Celsius rise in global temperatures if the current high emissions of greenhouse gases .”