This means that emissions of 1 million metric tonnes of methane and nitrous oxide respectively is equivalent to emissions of 25 and 298 million metric tonnes of carbon dioxide. This is mostly used together with another selector to select a specifically indexed element in a group (like in the example above). The index numbers start at 0, so the first element will have the index number 0 (not 1). MMTCDE = (million metric tonnes of a gas) * (GWP of the gas).įor example, the GWP for methane is 25 and for nitrous oxide 298. The :eq () selector selects an element with a specific index number. The carbon dioxide equivalent for a gas is derived by multiplying the tonnes of the gas by the associated GWP: A carbon dioxide equivalent or CO 2 equivalent, abbreviated as CO 2-eq is a metric measure used to compare the emissions from various greenhouse gases on the basis of their global-warming potential (GWP), by converting amounts of other gases to the equivalent amount of carbon dioxide with the same global warming potential.Ĭarbon dioxide equivalents are commonly expressed as million metric tonnes of carbon dioxide equivalents, abbreviated as MMTCDE. The Empathy Quotient (EQ) The Empathy Quotient is intended to measure how easily you pick up on other peoples feelings and how strongly you are affected by other peoples feelings.
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