Wind and solar power can provide some carbon-free power.    From Wordnik.com.  [Armond Cohen: Coal and Copenhagen] Reference

I don't think Al Gore ever has claimed to be carbon-free.    From Wordnik.com.  [CNN Transcript Mar 4, 2007] Reference

Nuclear energy is our largest carbon-free power source today.    From Wordnik.com.  [Steve Kirsch: Climate Bill Ignores Our Biggest Clean Energy Source] Reference

Yes, it would increase the amount of carbon-free energy production.    From Wordnik.com.  [CNN Transcript Jul 18, 2008] Reference

The next one needs to give us that same prosperity, but in a carbon-free way.    From Wordnik.com.  [Everything Under the Sun] Reference

And who should pay what to help poorer countries develop carbon-free economies?.    From Wordnik.com.  [CNN Transcript Dec 20, 2009] Reference

On the other hand, a hard cap means that any growth will have to be carbon-free.    From Wordnik.com.  [Ron Dembo: Making Some Green] Reference

He says electricity should be produced from only renewable and carbon-free resources.    From Wordnik.com.  [CNN Transcript Jul 17, 2008] Reference

Solution of the climate problem requires that we move to carbon-free energy promptly.    From Wordnik.com.  [Dr. James Hansen: Twenty Years Later: Tipping Points Near on Global Warming] Reference

Each step on the path toward a carbon-free future will bring more realism to the issue.    From Wordnik.com.  [Save The Planet, Lose The Guilt] Reference

It's, does the world walk away with this with any progress towards a carbon-free economy?.    From Wordnik.com.  [CNN Transcript Dec 16, 2009] Reference

Experts agree that energy efficiency and carbon-free energies can satisfy our energy needs.    From Wordnik.com.  [Dr. James Hansen: A Plea To President Obama: End Mountaintop Coal Mining] Reference

Another unknown is what technologies might arise to make a carbon-free future more palatable.    From Wordnik.com.  [Save The Planet, Lose The Guilt] Reference

The additional electricity demands it creates could be satisfied by clean, carbon-free energy.    From Wordnik.com.  [Jackie Savitz: It's Time to Tell Big Oil We're Going Clean] Reference

This requires nothing less than an energy revolution based on efficiency and carbon-free energy sources.    From Wordnik.com.  [Dr. James Hansen: G-8 Failure Reflects U.S. Failure on Climate Change] Reference

A strong and efficient market for nuclear fuel is vital to securing carbon-free energy on a global basis.    From Wordnik.com.  [Steven Chu: Dealing With the Issues of Nuclear Energy] Reference

So here's the question -- is Al Gore's call for carbon-free electricity in 10 years doable or ridiculous?.    From Wordnik.com.  [CNN Transcript Jul 18, 2008] Reference

His transformative agenda of vibrant local economies can deliver us a carbon-free economy within a few decades.    From Wordnik.com.  [John Cavanagh: A Bold Proposal for a New Economy] Reference

Spain's socialist government is cold on nuclear power, yet it might be happy to import this carbon-free energy.    From Wordnik.com.  [UBS starts new guessing game] Reference

Besides being carbon-free, solar electricity is at a maximum when it's needed most -- on hot summer afternoons.    From Wordnik.com.  [Carbon Limits, Yes; Energy Subsidies, No] Reference

Switch all of the nation's electricity production to wind, solar, and other carbon-free sources within 10 years.    From Wordnik.com.  [CNN Transcript Jul 18, 2008] Reference

The cleanest way for utilities to control CO2 emissions is to increase the supply of carbon-free nuclear energy.    From Wordnik.com.  [The GOP's Energy Alternative] Reference

Building the world's first 20 carbon-free coal plants is not as glamorous as carbon caps or renewable energy targets.    From Wordnik.com.  [Armond Cohen: Coal and Copenhagen] Reference

They diminish our incentives to invest not only in oil production but in energy savings and carbon-free alternatives.    From Wordnik.com.  [Oil Prices Need Government Supervision] Reference

Then there could be something of a race among the monument managers to secure carbon-free lighting as quickly as possible.    From Wordnik.com.  [Robert Engelman: Earth Hour? Why Not "Earth Until-We-Figure-This-Out?"] Reference

VELSHI: When the tank is heated up, the manure's byproduct, methane gas, gets converted into carbon-free, clean electricity.    From Wordnik.com.  [CNN Transcript Apr 20, 2007] Reference

DAVID MATTINGLY, CNN CORRESPONDENT: When Al Gore says the U.S. can harness all the carbon-free electricity it needs, he's right.    From Wordnik.com.  [CNN Transcript Jul 21, 2008] Reference

Just last week Gore called for the U.S. to produce all its electricity from renewable energy in carbon-free sources within ten years.    From Wordnik.com.  [CNN Transcript Jul 21, 2008] Reference

↑ Al Gore (No. 19) throws down the gauntlet, challenging America to shift to carbon-free electricity generation in the next ten years.    From Wordnik.com.  [Al Gore at 12 O'Clock: Vanity Fair] Reference

Al Gore has challenged the United States to obtain all of its electrical energy from renewable and carbon-free sources within ten years.    From Wordnik.com.  [Jay Mandle: Breaking the Logjam on Global Warming] Reference

He's calling on the U.S. to switch all of this country's electricity production to wind, solar or other carbon-free sources within 10 years.    From Wordnik.com.  [CNN Transcript Jul 18, 2008] Reference

Since the 1970s, nuclear energy has produced terrawatts of carbon-free energy, but it has also created an ever-growing stockpile of radioactive waste.    From Wordnik.com.  [Corbin Hiar: Dancing in the Dark: The Danger of Letting Business Lead on Climate Protection] Reference

GORE: I challenge our nation to commit to producing 100 percent of our electricity from renewable energy and truly clean carbon-free sources within 10 years.    From Wordnik.com.  [CNN Transcript Jul 17, 2008] Reference

(BEGIN VIDEOTAPE) DAVID MATTINGLY, CNN CORRESPONDENT (voice-over): When Al Gore says the U.S. can harness all the carbon-free electricity it needs, he's right.    From Wordnik.com.  [CNN Transcript Jul 22, 2008] Reference

Germany's virtually unilateral veto of carbon-free nukes was getting ever tougher to square with the country's self-styled role as a global environmental leader.    From Wordnik.com.  [The Radioactive Energy Plan] Reference

ROBERTS: Last week, Gore challenged the United States to switch all of the nation's electricity production to wind, solar and other carbon-free sources within a decade.    From Wordnik.com.  [CNN Transcript Jul 21, 2008] Reference

NOBEL PEACE LAUREATE: I challenge our nation to commit to producing 100 percent of our electricity from renewable energy and truly clean carbon-free sources within ten years.    From Wordnik.com.  [CNN Transcript Jul 18, 2008] Reference