Kabul could become the first modern city to run out of water by 2030, warns Mercy Corps, as rapidly falling groundwater ...

Better traffic management and addressing gaps in public transport could be a start to fixing the problem, analysts say.

Gas-powered cars and diesel trucks remain the state’s largest sources of smog and soot despite decades of cutting emissions.

With 7 of its ambitious rules for cars, trucks and trains repealed, California officials must find new ways to clean up the ...