SHANGHAI (Reuters) – While China has made progress cutting smog, the damage to the health of millions of people may already have been done, especially as the population ages, the head of a U.S.-based research agency said.
SHANGHAI (Reuters) – While China has made progress cutting smog, the damage to the health of millions of people may already have been done, especially as the population ages, the head of a U.S.-based research agency said.