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The aggressive entry of Britain into the field over the last few years shows the power of government inducements to redesign a nation’s energy economy away from traditional fuel. The country’s Green Deal, as it is called, is currently being spearheaded by the Conservative-led coalition government. In Britain, reducing carbon dioxide emissions was one of the few policies supported by political parties of both the right and left, which both accepted that climate change was a serious problem and saw clean technology investment as a growth opportunity rather than an onerous obligation.

Dr. Arun Majumdar, senior adviser to Energy Secretary Steven Chu, said that the department’s $5 billion budget for research should be tripled as it currently financed less than 5 percent of proposed projects. He said the country needed better low-cost financing methods to bring companies into the market, as well as stricter energy-efficiency standards to stimulate customer demand.

Oslo, Norway, they have reduced energy consumption by 70 percent simply by using an innovative and energy-efficient form of streetlights without an international agreement. The African region of Okavango planted 300,000 acres of trees, which will sequester 30 million tons of carbon dioxide. The state of South Australia is on track to generate 33 percent of its power from renewable sources by the year 2020. Across its various regions, China is investing billions of dollars in electric and hybrid vehicles. South Africa is developing a solar project that, when complete, will provide one-eighth of all of the energy of the entire country. Twenty-nine of New York City's universities and hospitals have accepted Mayor Bloomberg's challenge to reduce their emissions by 30 percent within the next few years.

in California

orld's largest solar plant and the world's largest wind farm, providing enough energy to power 740,000 homes. We have already approved solar plants that will provide 4,000 megawatts of energy.

goal of generating 33 percent of our energy from renewables by the year 2020.

California is now 40 percent more energy efficient per capita than the rest of the United States. More than one-third of the world's clean-tech venture capital flows right here out of our state. We lead the nation in clean energy patents and clean energy businesses.

Solazyme

The report reviewed bioenergy, solar energy, geothermal, hydropower, ocean energy and wind. It did not consider nuclear

From 2009 to 2010, Amin said investment in renewables has gone from $186 billion to $243 billion with China alone seeing a 30 percent increase.

Obama administration already supports incentives to encourage drivers to buy electric cars, and it has devoted $2.4 billion in stimulus money to the development of a domestic electric-car industry.

existing $7,500 tax credit

If we gut domestic clean-energy research, scientists in China or Germany or Japan will finish this work. But it would be far better to stick with the program we’ve begun — financing research into better batteries while deploying vehicles that replace gasoline with electricity as much as possible — and prove that when it comes to energy, America can, in fact, learn from its mistakes.

Seven partners — the European Union, China, India, Japan, Russia, South Korea and the United States — have teamed up on an experiment to produce 500 million watts of fusion power for 500 seconds and longer by 2020, demonstrating key scientific and engineering aspects of fusion at the scale of a reactor.

A rough estimate is that it would take $30 billion and 20 years to go from the current state of research to the first working fusion reactor. But put in perspective, that sum is equal to about a week of domestic energy consumption, or about 2 percent of the annual energy expenditure of $1.5 trillion.