Home > Environment > China’s toxic air pollution resembles nuclear winter, say scientists | theguardian.com

China’s toxic air pollution resembles nuclear winter, say scientists | theguardian.com

Chinese scientists have warned that the country’s toxic air pollution is now so bad that it resembles a nuclear winter, slowing photosynthesis in plants – and potentially wreaking havoc on the country’s food supply.

Beijing and broad swaths of six northern provinces have spent the past week blanketed in a dense pea-soup smog that is not expected to abate until Thursday. Beijing’s concentration of PM 2.5 particles – those small enough to penetrate deep into the lungs and enter the bloodstream – hit 505 micrograms per cubic metre on Tuesday night. The World Health Organisation recommends a safe level of 25.

For more on this story, visit: China’s toxic air pollution resembles nuclear winter, say scientists | Environment | theguardian.com.

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