The method combines an examination by positron emission tomography with a drug that lights up beta-amyloid.

VOA: special.2011.02.08

"Nobody else has been able to observe, with the detail that we can, the infrared emission from galaxies."

VOA: standard.2009.05.14

In Copenhagen, experts and officials alike are putting the emphasis on what people and governments can do to cut the emission of greenhouse gasses.

VOA: standard.2009.12.09

"Now the question arises whether we can quantify it into a precise emission reduction targets number.

VOA: standard.2009.11.27

The State Council said the country will reduce its "carbon intensity" by 40 to 45 percent by the year 2020,as compared to 2005 emission levels.

VOA: standard.2009.11.26

But observers say India and China remain wary of accepting legally binding emission cuts at a time when they are making their presence felt on the global economic scene.

VOA: standard.2009.11.27

Tiziana Bonapace,a senior economist with the UNESCAP, says developing countries need financial aid to assist them in developing low-emission technologies and agriculture methods and ensuring poverty reduction policies are maintained.

VOA: standard.2009.09.01

The company says its goal is to generate electricity from natural,non-edible, renewable and sustainable resources indigenous to West Africa with projects that focus on reducing the emission of greenhouse gases.

VOA: standard.2009.09.13

John Pershing,Washington's deputy special envoy for climate change, says President Obama supports U.S.emission reductions comparable to the European Union and Japan, but wants legally binding commitments from other countries as well.

VOA: standard.2009.09.28

Clinton,who insisted India can make emission cuts without harming its economy, said she is optimistic the two governments can reach a common approach before the world conference on climate change in Copenhagen in December.

VOA: standard.2009.07.20