It is a measure of Green house gas emissions by a product
Please note that Carbon footprint is amount of carbon dioxide released in the atmosphere everyday by an electronic gadget / organization. The quantity of all green house gases put together required to maintain the temperature of the environment at a fixed level of 30 degree C at nodal points in the country is also referred to as carbon foot print. The second statement a unit under the Kyoto Protocol representing a reduction of greenhouse gases under the Joint Implementation mechanism is the definition of Emission Reduction Unit, while statement C is emission trading.
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