Every year in the atmosphere there is millions of tons poisonus gas is leaved by human beings.It destroys whole fresh air.It destroys envirnment also.So to take proper steps in this the university of New York named Columbia have invented machine which takes Carbon Dioxide from air and makes air pollution free.This machine is named as "Scrabber".Just now scientists have just done experiment for this machine.Legally they are deciding to put in market in the next 2 years.If they gets success in this than this small machine will take daily 1 ton carbon dioxide from air.It is said that price of this machine will be near 1 lakh pound.
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