Nasa: Ozone layer hole at smallest on record – ‘great news’ for humanity
The Antarctic ozone hole was first discovered in the 1970s (Image: Nasa) A ‘hole’ in the ozone layer over Antarctica has shrunk to its smallest size on record, Nasa has announced. The ozone layer is a part of the Earth’s atmosphere which protects the Earth from the sun’s dangerous cancer-causing ultraviolet radiation. In the 1970s […]
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