Stephen Crivillaro has been a green energy consultant. He was born and raised in New York City. He is a proponent of renewable energy, and says that in his opinion there is no single source of renewable energy that is the best choice. Rather, he advocates using multiple sources of renewable energy like solar power, wind power, and municipal solid waste as an alternative to traditional fossil fuels.
Renewable energy, he says, is that which comes from natural processes such as sunlight and wind that are naturally replenished. He is encouraged that in recent years the world has turned to renewable energy sources for up to thirteen percent of its primary energy supply, but says that is a percentage that needs to keep going up, because fossil fuel sources not only pose a threat to the environment, they are finite and dwindling.
Global wind power capacity was 238 gigawatts (GW) at the end of 2011, according to the figures Stephen Crivillaro has seen. That’s up only 18 gigawatts from the end of 2000. Solar power, on the other hand, was roughly 67 gigawatts at the end of 2011– up from just 1.5 GW in the year 2000. This, he says, is encouraging and shows great promise.
According to the forecasts of some international energy authorities, renewable energy sources have the potential to greatly increase their penetration in the long term. Stephen Crivillaro says that by one estimate, renewable energy will grow threefold by 2035. These are promising numbers, but he says that the focus on renewable energy as a viable alternative to fossil fuels should be accelerated.
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