Ozone Hole 7 Times Bigger Than Last One Discovered: What You Need To Know - NDTV

The ozone hole was found by a scientists in University of Waterloo, Canada. The discovery has led to fresh concerns among environmentalists.

Ozone protects Earth from Sun's harmful ultraviolet rays. (Representative Photo) Scientists have discovered a large hole in ozone gas layer, which envelops the Earth and protects it from the Sun's h… [+2129 chars]

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