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(1) Renewable sources of energy must be used where practical.
(2) And we should develop renewable sources of energy.
(3) Switch to renewable sources of energy.
(4) Committee on New and Renewable Sources of Energy and on Energy for Development.
(5) Sun, wind, and waves a renewable sources of energy.
(6) renewable sources of energy such as wind and solar power.
(7) Support tree planting schemes, the development of wind power and other renewable sources of energy.
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