Energy savings: FAQ

World energy consumption is growing explosively. Some countries, particularly in Asia, are experiencing spectacular economic development, which is accompanied by an increase in their energy consumption (that of China should exceed that of Europe in 2010).
Current energy saving policies are motivated by the depletion of certain resources, economic and geopolitical considerations, and the desire to preserve the environment. Indeed, the intensive consumption of fossil fuels has led to a depletion of today exploitable resources, while their combustion pollutes the air and produces greenhouse gases. In addition, the economies of many countries are weakened by their dependence on oil and gas exporting countries.
However, energy savings can only be considered in economically developed countries. Today, 2 billion people do not have access to electricity yet.
Can alternative energies (geothermal, wind, solar, ocean, etc.) substitute massively for fossil fuels? Which sectors are available for energy savings? What may be the impact of energy saving policies?

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