As this years summer, with its extended heat waves and record temperatures, warns, how to adapt to a warmer world is no longer a hypothetical question. A new study by World Weather Attribution says climate change has made a 30-day heat wave in South Asia 45 times more likely and 0.85o C hotter. Experts say we need to rethink the kind of houses we live in and offices we construct, how we grow our crops and the way we look at the impact of heat on our bodies, even as we tackle reducing the use of fossil fuels.