In today's world of rapidly increasing alternative energy, one should realize what happens to that energy generated and dissipated. These are manmade or anthropogenic. This energy conversion is still mainly for electricity - for chemical and metallurgical processes, for heating and cooling or lighting which also creates thermal wastes or for work involving movement - thus friction and heat. This paper discusses the effect of these thermal wastes into atmosphere - with examples from unavoidable energy inefficiencies and what it can lead to in the meteorological sense of climate change. Results of heat transfer modeling are compared with present day combustion sourced thermal wastes documented by British Petroleum. Evapo-transpiration moderates the atmospheric air temperature increase. Anthropogenic warming with the population increase will continue and is a function of total energy conversions only. This warming can be distributed into ocean and earth by proper engineering. The role of energy efficiency in conversion and usage in moderating the warming re-emphasized.
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