Africa News: The world’s poorest nations are unprepared for the strain climate change will put on their public health systems, according to studies by the International Institute for Environment and Development and partners. This come ahead of a major summit of health ministers from Commonwealth nations in Geneva.The findings show that in the most vulnerable countries very little has been done to assess or address the threats climate change poses to health. Saleemul Huq, senior fellow in IIED`s …