Delhi shuts schools, bans construction as pollution levels hit new high
15
votes
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Growing pollution in Pakistan’s Punjab province has sickened 1.8M people in a month, officials say
13 votes -
Losing the eternal blue sky: Meet a changing Mongolia. Rivers are dry. Pastureland is giving way to mines. And wintertime smog obscures the famed blue sky. How did the country get here?
7 votes