Tag Archives: layer

[ad_1] WASHINGTON – The Earth's protective ozone layer is finally healing aerosol and coolant damage, says a new UN report. NASA via AP This combination of images made available by NASA shows …

[ad_1] WASHINGTON – The Earth's protective ozone layer is finally healing aerosol and coolant damage, says a new UN report. The ozone layer has cleared since the late 1970s. Scientists have sounded …