World leaders are continuing their deliberations on Climate Change in Paris, France, for COP21, a conference on climate change that will, for the first time, work toward a legally binding and universal agreement to curtail the threat of global warming. With any luck, the 25,000 delegates from governments and agencies around the world, will arrive at an agreement that could mean better days are ahead for our planet. Sakina Kamwendo spoke to Professor Bob Scholes , Systems Ecologist at the University of the Witwatersrand.