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: [[Deforestation]] - Humans are cutting down forests which stops them taking [[Carbon Dioxide]] out of the [[Earth's Atmosphere|atmosphere]].
: [[Combustion]] of [[Fossil Fuel]]s - Since the industrial revolution the [[Carbon]] stored underground has been released into the [[Earth's Atmosphere|atmosphere]].
==Key Stage 4==
===Meaning===
The '''Carbon Cycle''' is a set of processes that naturally [[recycling|recycle]] [[Carbon]].