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President - elect Barack Obama has plans to commit $ 150 billion in clean Energy Department technology over the next 10 eld . With standardised initiatives in other state , when might we expect exciting alternative engineering to deliver on-key zip independence ?

The predictions are all over the map .

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Manufacturing solar cells, which harness the energy of the sun, produces far few pollutants than conventional fossil fuel technologies, scientists say.

In July of this year , Al Gore made plausibly the most challenging forecast : we can get all our electricity fromsolar , wind and otherclean carbon - costless sourcesin just 10 little years .

" This goal is doable , low-cost and transformative , " he said .

Many others think it will take longer .

Digital generated image of solar panel with purple -blue reflection.

The European Renewable Energy Council and Greenpeace recently released theirEnergy [ R]evolution Report , in which they predict renewables will need more like 80 years to all replace fossil fuel .

" Al Gore can say 10 yr because he is Al Gore , " said Sven Teske of the Greenpeace International renewable energy campaign . " We can really back up our target . "

In their report , Teske and his fellow author take the renewable energy industriousness what it think it could deliver with examine engineering . This renewable potentiality was then matched up against economic ontogenesis predictions .

an illustration of a futuristic alien ship landing on a planet

To stimulate the upset in energy supplying , governments will want to concord to ambitious reduction in glasshouse gasolene emission , Teske toldLiveScience .

However , he allow that it ’s a two - way street . Environmental groups and the renewable diligence ask to provide politicians with reasonable roadmaps for bring down carbon out of the free energy equation .

" We hope we have some convinced influence in making it easier for politicians to agree on rugged emission reduction , " Teske say .

An active fumerole in Iceland spews hydrogen sulfide gas.

Here is what the future may hold if roadmaps , predictions and policy targets all come dependable .

2009 :

World leader meet in Copenhagen , Denmark , to design a follow - up to the Kyoto Protocol .

A top down view of the Oak Ridge National Laboratory�s 1960s molten salt reactor experiment, an early precursor to the Chinese reactor.

All raw homes ramp up in Germany have renewable vigor heating system .

2010 :

5.2 percent step-down in greenhouse gas emission expelling from 1990 level is achieved by those commonwealth that signalize the Kyoto Protocol .

An illustration of a Sunbird rocket undocking from its orbital station

20 per centum of California ’s electricity comes from renewables .

Toyota releases a plug - in hybrid electric fomite .

2012 :

a close-up of an electric vehicle�s charging port

The London Olympics is a low - carbon , zero - waste matter game .

2014 :

No moreincandescent bulbssold in the United States , as proscribed by 2007 Energy Bill .

Solar Impulse plane at hangar 19 at john f. kennedy airport

2018 :

100 percent of U.S. electricity come from solar , wind and other renewables ( Gore ’s prognostication ) .

$ 255 billion drop per year ( more than four times what is currently spent ) on biofuels , wind power , solar photovoltaics , and hydrogen fuel cell , according to market research business firm Clean Edge .

ocean energy turbine

$ 150 billion invested by this date by the U.S. authorities on climate - favorable energy maturation ( Obama ’s program ) .

2020 :

All newfangled railway car are crossbreed , according to an anon. survey of car industry executives by IBM ’s Institute for Business Value .

A close-up photo of one of Physee�s installed PowerWindows at Amsterdam�s main business district.

35 sea mile per gallon is average for the U.S. fleet .

20 percent of the European Union ’s energy comes from renewables .

15 percent ofChina ’s energy comes from renewables .

Solar Impulse plane at hangar 19 at john f. kennedy airport

Sweden is oil - free .

2022 :

36 billion gallons ofbiofuelssold in the United States , up from 4.7 billion gallons in 2007 .

A sign in the window of a business in Metropolis, Illinois, tells visitors they will be closed on August 31 for the solar eclipse.

2025 :

25 percentage of U.S. electrical energy issue forth from renewables ( Obama ’s plan ) .

2030 :

Solar-Power Generation During Aug. 21, 2017 Eclipse

50 percent increase in world energy need from 2005 levels , according to U.S. Department of Energy ( DOE ) .

All Modern Union edifice are carbon - indifferent , as state in 2007 Energy Act .

70 percent of Hawaii ’s zip comes from renewables , thanks in part to a forbiddance on novel ember plants .

An image comparing the relative sizes of our solar system�s known dwarf planets, including the newly discovered 2017 OF201

One - fifth of U.S. king derive from wind , the DOE presage .

One - fourth of U.S. worker wear agreen collar , according to the American Solar Energy Society .

20 million new jobs created by renewable manufacture , say United Nations report .

an illustration showing a large disk of material around a star

2050 :

50 percent of the human beings ’s energy comes from renewables , lay claim the Energy [ R]evolution Report .

2090 :

a person holds a GLP-1 injector

100 percent of the human race ’s energy comes from renewables , take the Energy [ R]evolution Report .

A man with light skin and dark hair and beard leans back in a wooden boat, rowing with oars into the sea

an MRI scan of a brain

A photograph of two of Colossal�s genetically engineered wolves as pups.

An illustration of a hand that transforms into a strand of DNA