Climate change is already exacting a toll on populations and species around the world. Responses to the phenomenon must, however, be based not solely on economics but also science and the equity issue, writes Hewa Nzuri.

The next major global climate change negotiations will take place in Durban, South Africa between November and December 2011, but the politics that sidelines developing regions of the world from shaping final agreements remains unchanged, writes Hewa Nzuri.