Monday, 12 November 2018

The lungs of the world

Today we looked at the chemical reaction that happens in photosynthesis. Trees are amazing! They take what we are creating too much of - Carbon Dioxide (CO2) - and they break it into oxygen and food for the tree. The problem is we are cutting down the trees and at the same time creating more CO2.

We looked at this fascinating video on the CO2 levels in our atmosphere over a year long period. It was amazing to see the change between when trees lose their leaves and gain them again. It raised many questions, like: What places create the most CO2? What things cause the most CO2? What would happen if all the evergreen trees were cut down?

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