The Clean Development Mechanism (CDM), allows for emissions reduction projects. These projects contribute to the ultimate objective of preventing dangerous climate change.

the mechanism failed when the earthquake struck. or the mechanism is essential because it provides humans with clean and breathable air in a city full of smog

a clean development mechanism of kyoto protocol permits trading in carbon credits. for this number of exchange have been established. banks too have entered this lucrative market.such banks are known as carbonb bank....

Those who criticize psycho sexual development do so as a defense mechanism which indicates that they are in denial.

Natural selection is the mechanism primarily responsible for the development of today's biodiversity.