...llowed the use of more "polluting" fuels — coal, firewood, and kerosene. - In Mumbai, about a fifth of restaurants have already closed, and up to half of establishments may cease operations if the situation does not improve. - In Pakistan, government employees have switched to a 4-day workweek, schools are closed until the end of the month, and university classes are being held online. - In Bangladesh, a supply shock has triggered large-scale gas rationing across the economy. Universities ...