En-en adult card 11 concentration of co2

Card #11: Concentration of CO₂

Causes		Consequences
Carbon Sinks		Additional Greenhouse Effect

About half of our CO₂ emissions are captured by natural carbon sinks.
The other half remains in the atmosphere ; the concentration of CO₂ in the air has increased
from 280 to 410 ppm (parts per million) in 150 years.