Greenhouse gas emissions due to human activities are associated
mainly with energy - the engine for the process of industralization
as well as for modern society. Energy is consumed from its initial
extraction of fossil fuels from the earth to the end use. All of
these uses result in a number of waste gases that contribute to
the greenhouse gas concentration of the atmosphere, as well as low-level
gases that produce city smog.
Read more about Human Activities Leading to Emissions
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