11.   No dangerous radiation leaks were registered during the closure of the reactor.

12.   Ozone helps block dangerous ultraviolet radiation from the sun.

13.   Ozone in the upper air helps protect the earth from dangerous ultraviolet radiation from the sun.

14.   Ozone plays a vital role in the life of the planet by absorbing dangerous solar radiation and shielding humans and all other animals and plants from damage.

15.   The difference this time is that depletion of the ozone layer concerns mankind as a whole, since ozone prevents dangerous ultraviolet radiation from reaching Earth.

16.   The difference this time is that depletion of the ozone layer concerns mankind as a whole, since the ozone prevents dangerous ultraviolet radiation from reaching Earth.

17.   The ozone layer protects the Earth from dangerous ultraviolet radiation from the sun.

18.   The ozone layer over Finland and Scandinavia is thinning out at a record pace, and dangerous ultraviolet radiation is increasing just as fast, Finnish researchers said Thursday.

19.   The thin, invisible layer of ozone in the stratosphere protects humans, animals and plants from dangerous ultraviolet radiation.