The Intergovernmental Panel on Climate Change (IPCC), the United Nations body for assessing the science related to climate change, has published its latest assessment of climate change in a report referred to by the UN Secretary-General as a "code red for humanity".
In the early 1900s, the average American farmer could produce enough food to feed a family of five. Today, an American farmer can feed his own family, and roughly another 100 people. Despite this, we are at risk of encountering the impossibility of feeding a growing population on a global scale. How has it come to this, and what should we do to save ourselves before it is too late?