Since the dawn of the Industrial Revolution in the late 18th century, the world has been spewing out greenhouse gases that now threaten the global ecosystem. The concentration of carbon dioxide in the atmosphere reached 379.1 parts per million in 2005, or 35 percent higher than the estimated level before the Industrial Revolution, a Meteorological Agency report said in November.

Market mechanisms under the Kyoto Protocol may become an effective way for countries to achieve the daunting task of curbing global warming while also finding financial rewards.

Below are basic questions and answers regarding the so-called Kyoto Mechanisms.