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Man's involvement with the annual production of greenhouse gas is tiny. In total, we produce about a third of one percent. Even when we strip away the major greenhouse gas, which is water vapor, man produces only 3% of the gas that is generated.

A:

My personal contribution to the greenhouse gases in the atmosphere is tiny, and I do what I can to reduce even that contribution. However, the contribution of all humans since the beginning of the Industrial Age is quite disturbing. The concentration of carbon dioxide has increased during that time by more than 35 per cent, from the long-term range of 260-280 parts per million (ppm) to the present level of over 380 ppm. During the twentieth century alone, we added around 1000 billion tonnes of carbon dioxide to the atmosphere. We are continuing to add more than 30 billion tonnes of carbon dioxide to the atmosphere each year.

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9y ago

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