How the world has prevented the already much worse global warming this century


However, the strengths of the agreement, which was ultimately ratified by all countries, extend beyond the impact on the ozone hole. Many of these chemicals are also powerful greenhouse gases. Therefore, as a major secondary benefit, those reductions over the last 30 years have already mitigated global warming and can reduce global average temperatures by as much as 1 ° C by 2050.

Now, Nature’s new study, carelessly, highlights yet another important bonus. It reduces the burden of UV rays from the sun on plants, inhibits photosynthesis, and slows growth. The Montreal Protocol has avoided a “catastrophic collapse of forests and cultivated land” that would add hundreds of billions of tonnes of carbon to the atmosphere, a senior lecturer in climate science at the University of Exeter and co-author of the paper. One Anna Harper said. on mail.

The Nature Paper, published on August 18, states that if the production of ozone-depleting substances…

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