Plants form an important role of the worldwide carbon cycle in which carbon is continuously recycled and reused by plants and animals, the oceans and land.
carbon dioxide emission
Is Natural Gas A Clean Energy?
The cleanliness of natural gas is largely based on its lower carbon dioxide emissions when burned.
Hay Fever Rise In Europe Is Related To Carbon Emissions
General practitioner diagnoses of allergic rhinitis in the UK, which includes hay fever that has risen by 30 percent between 2001 and 2005.