| China's air pollution is putting the country's agriculture sector at risk, experts say. Smog has blanketed Beijing for at least a week, and much of north and central China -- about one-seventh of the country -- was also covered in smog last weekend, state-run news agency Xinhua reports.
On Wednesday evening, PM2.5 levels -- the measurement of air pollution particles less than 2.5 micrometers in diameter, which pose health risks -- averaged 446 micrograms per cubic meter over a 24-hour period, readings from the U.S. Embassy in Beijing showed...............................................Full Article: Source
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