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First, by 2020, North America will be energy independent by taking full advantage of our oil and coal and gas and nuclear and renewables.
It's important to understand that oil and renewables do different things. Wind and solar are for power generation, so they don't replace oil. About 70% of all oil produced is used for transportation fuel. Renewables are good projects, but they don't get us off of foreign oil.
T. Boone Pickens
Almost every way we make electricity today, except for the emerging renewables and nuclear, puts out CO2. And so, what we're going to have to do at a global scale, is create a new system. And so, we need energy miracles.
The challenge of global warming should stimulate a whole raft of manifestly benign innovations - for conserving energy and generating it by 'clean' means (biofuels, innovative renewables, carbon sequestration, and nuclear fusion).
I came here to help make America more competitive and prosperous by developing an energy policy that increases conservation, promotes cleaner technologies, encourages development of renewables and enhances domestic production of gas and oil.
I think what we all have to do is make this big leap towards renewables. And it has to be a solution where you're actually building the answer; and it has to be built faster than the natural gas industry can build their answer.
You could power America with renewables from a technical and economic standpoint. The biggest obstacles are social and political - what you need is the will to do it.
Mark Z. Jacobson
If it's in people's interest to invest in renewables and invest in clean technologies, I'm convinced it will happen.
Australia is a remarkable country with incredible technical and physical resources and a capacity to be a world leader in renewables.
Interestingly, the oil companies know very well that in less than 30 years they will not only be charging very high prices, but that they will be uncompetitive with renewables.
There's a limit to how much you can deploy renewables, like wind or solar. People will talk about getting up to 30 percent of America's power from renewables, but you can't get to 100 percent because of their unreliability.
The second thing is, if you want to do something about global warming, you have to think much more long-term. There is something wrong with saying we should start using renewables now, while they are still incredibly expensive.
We have to slow down the emissions of carbon dioxide and methane from coal burning, oil and eventually natural gas... And the best ways to do that are energy efficiency and a switch to renewables.
All renewables, much as I love them, are diffuse. They all have a small power per unit area, and we have to live with that fact.
David J. C. MacKay
After the Fukushima disaster, Japan shut down most of its reactors and said it would move to renewables.
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