The promise of clean energy |
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Authors: | José Goldemberg |
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Affiliation: | São Paulo State Secretariat for the Environment (SMA-SP), Av. Prof. Frederico Hermann Jr. 345, São Paulo 05489090, Brazil |
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Abstract: | The world's energy system is at least a 1.5 trillion dollars market dominated by fossil fuels, where small changes can have a large influence on efforts to reach sustainability. Renewable energy sources are key to achieving this goal. Excluding traditional biomass, in 2001 renewables represented 4.4% of primary energy consumption, unevenly distributed between developed and developing countries. Environmental problems at local, regional and global levels, as well as external dependency and security of supply will persist if we rely on an energy future based on fossil fuels. Solutions encompass extending the life of fossil fuel reserves and expanding the share of renewable in the world energy system through top down and bottom up policies, described in this paper. |
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Keywords: | Renewable energy policies Sustainable development |
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