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The natural greenhouse effect has been keeping the earth warm for millions of years, allowing life to thrive on this planet. The enhanced or accelerated greenhouse effect, which is what is happening now, is causing global warming and may mean the end of life on earth if we can't slow or stop it.o this  natural greenhouse effect is very useful.    The gases that keep the earth warm are called greenhouse  gases. The most important gas, causing about 75% of the  natural greenhouse effect, is water vapor.
The ozone layer is important for any forms of life, because it  protects any organisms from pernicious activities of ultraviolet  sun rays.The extinction of ozone might lea â¦ d to death of some kind  sensitive organisms, which are important food link on the Earth.4 people found this useful.n the presence of ultraviolet light these gases release chlorine and bromine atoms which destroy some of the ozone in the ozone layer. This is called ozone depletion.