|Consideration of the carbon cycle raises some questions.
Does division of the cycle into “human” and “natural” components tend to
excessively focus on fossil fuel use as the “problem”?
|A recent paper
addressed human influence on climate
through the development of agriculture. The author concludes humans began to
influence climate nearly 8000 years ago.
10 to 15% of land – and we control forests. We appropriate about 40% of plant
|It follows that
we are responsible for 24 billion tonnes of the 60 billion tonnes of carbon
incorporated by plants annually. Contrast that with the 6 billion tonnes from
the carbon cycle suggests opportunities to better integrate our energy use
with management of carbon.