Burning upAs the planet warms, our environment will be transformed, but so will our bodies. In this series, 'Burning up,' we investigate the health impacts of climate change, focusing on heat, air quality, food and infection risk. In this installment, we evaluate the promising solutions that could help us adapt to our warmer futureIn the summer of 2008, New York City lowered the threshold for activating its emergency heat plan.The city had historically relied on the National Weather Service threshold of a heat index of 105 F (40.6 C), but they noticed that people were getting heat stroke at lower temperatures.As part of a wider effort, they changed the alert threshold: it would trigger if th...