In the present scenario of global warming, the computer hard ware and software are also contributing for the increase in the temperature in the environment and contributing for the green house effect. It is believed that the algorithms we use also play a significant role in emitting certain radiation thru the CPUs in to the nature, the emission depends on the complexity of the algorithms more complex more emission by the CPU since it has to work more like our brain, so computer scientists say that design systems with less complexity algorithms there by minimize the emission of carbon dioxide. I want to know the various ways and methods that can reduce the complexity of the algorithms so that we can write the programs with out sacrificing the other aspects like speed, quality and other related thing