NEW YORK, Aug. 27 -- The United Nations posted the following news release:

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Stressing $1 Spent on Proven Clean-Air Solutions Returns $14 in Benefits, Secretary-General Observance Message Urges Investors, Government to Act Now

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Following is UN Secretary-General Antonio Guterres' message for the International Day of Clean Air for Blue Skies, observed on 7 September:

For too long, we have been told to choose between economi . . .

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