Ecologist: It is beyond doubt that our emissions of greenhouse gases contribute to climate change. And climate change is making us sick. The World Health Organisation estimates that between 1970 and 2004, the environmental effects of climate change caused more than 140,000 deaths each year. And the direct financial cost of the damage it will have on our health is estimated to come in at around US$2-4 billion in just over 15 years time. Extreme weather events We tend to think of large-scale weather events...