Watch How the Earth Breathes 

NASA made a video documenting the rising and falling carbon dioxide levels for a year on Earth.

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NASA made a video documenting the rising and falling carbon dioxide levels for a year on Earth. (Photo: iStockphoto)

Remember those crucial biology lessons from school about trees and oxygen that we learned by rote, wrote exams on, and eventually stopped thinking about? Except certain occasions of course, like on the hottest summer days of the year without a large tree’s shade to stand under, or when the pollution of Diwali leads up to suffocating winters.

If there were any doubts about the importance of trees in being the driving force of life, this video will clear those doubts.

This brilliant video made by NASA shows the rising and falling carbon dioxide levels over a year on Earth, almost as if the planet is a giant breathing machine. Trees, as we know, soak up carbon dioxide from the earth’s atmosphere and produce oxygen in turn, which all living beings inhale to survive.

According to a report by National Geographic, there are about 3.1 billion trees on Earth, which means 422 trees per person. In winters, when the trees shed leaves, the carbon dioxide pretty much remains stagnant but as the first green leaves reappear, the CO2 starts clearing. However, due to massive deforestation, the trees cannot keep up with the levels of CO2.

Want more bad news? India is one of the highest emitters of carbon dioxide. This should give us enough reason to protect our environment.

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