Hindi (romanized): pradooshan jis khatarnaak dar se bad rahaa he, usamen jaruri he ki ham us cheez kaa sangrakshan karen jo is grah par oxigen ke lagbhag ek-tihaai bhaag kaa utpaadan karata he.
English: Given the alarming rates of increasing pollution, it's essential that we conserve what produces roughly one-third of the oxygen for the planet.