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E-book Climate-Smart Food
Time is against us. The world has already warmed by an average of 1 degree Celsius, as decades of rising greenhouse gas emissions have accu-mulated in our atmosphere. Devastating impacts are predicted if we fail to hold average warming well below 2 degrees Celsius this century. Any delay in tackling climate change, even one that allows the seemingly minor upward creep in the mercury from 1.5 to 2 degrees Celsius, will intensify droughts and floods, expose hundreds of millions more people to heat waves and risk complete destruction of the world’s tropical coral reefs [1]. Sleepwalk into the steeper twenty-first-century warming pathways of 3, 4 or even 5 degrees Celsius and the climate change threats becomes existen-tial to civilisation itself [2].The Paris Climate Agreement—a framework in which all nations can commit to and then implement climate action [3]—is the best game in town for steering us away from such Hollywood-fodder futures. So far though, the political rhetoric on urgent action does not match reality.Current Paris commitments would still mean warming of about 3 degrees Celsius, and we are fast eating through our remaining ‘safe’ emis-sions budget [4]; metaphorically, in continued fossil fuel burning, and quite literally, through our food. Each carrot and tomato, burger and chicken drumstick, every food has a carbon footprint and feeding us all requires an awful lot of it.
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