The main Goal of this study is benefiting from Egypt's clear richness in renewable sources of energy, especially sun and wind, in order to reduce climatic changes that affect many aspects of life and biological diversity. The importance of the study is that it deals with a topic related to securing Egypt's energy supplies as well as the impact of sources of access to this energy on life. The study also stressed the importance of benefiting from the sources of renewable energy, which is a natural resource enjoyed by Egypt and should be exploited optimally for its The effects varied and varied on health, climate, environment and economy. The study showed that fossil fuels still dominate the energy sources in Egypt and the world, and that it is one of the main causes of global warming. The study showed the rates of development of the population increase and the increase in the production of electricity, the sources of production of this energy, and the development of emissions of greenhouse gases and CO2 gas in the world and Egypt, through historical data from 1970 to 2013. The study also made a comparison between the global ratios reached and the percentages within the Arab Republic of Egypt for the same period of time. The study also showed the global change in temperature from 1880 to 2013, to show the global change in global temperatures and to stir up the different aspects of life. In the end, the study presented a proposal for renewable energy management through a mathematical model that measures the impact of switching fossil energy sources to renewable energy sources on climate change. The model was built on two axes: First: the results of analysis and study of historical data. From World Bank – Data Bank. Second: Using RET Screen program to measure the results of replacing conventional energy projects with renewable energies.