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Industrial methane emissions are 100 times higher than reported, researchers say pollution.air Article 777 words 14 votes
More evidence points to China as source of ozone-depleting gas pollution.air Article 1245 words 8 votes
Ozone hole mystery: China insulating chemical said to be source of rise pollution.air Article 1185 words 16 votes
Scientists race to find who is pumping dangerous gas CFC-11 (depletes ozone and a greenhouse gas) into the atmosphere pollution.air Article 1342 words 14 votes
Someone, somewhere, is making a banned chemical that destroys the ozone layer, scientists suspect pollution.air Article 1025 words 13 votes