Earth getting greener because of higher Carbon dioxide levels

Q.  Earth is getting greener because of high levels of which gas?
- Published on 27 Apr 16

a. Oxygen
b. Hydrogen
c. Helium
d. Carbon Dioxide

ANSWER: Carbon Dioxide
 
Earth is getting greener on account of higher CO2 levels in the atmosphere according to new research.
  • NASA satellite observations indicate there has been a steady rise in leaves on plants and trees as a result of higher CO2 levels.
  • Leaves absorb CO2 and combine this with water to produce food for plants.
  • Greening is largely on account of the fertilising rise of atmospheric CO2 concentration through computer models to replicate plant growth in the satellite data.
  • Close to 85 percent of ice free lands on earth are covered by vegetation

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