Others carried out energy studies of city school buildings to make sure the equipment and systems work effectively.

VOA: special.2009.09.04

As you can imagine, the deeper the earthquake goes, the more of the energy is attenuated or spread out as it goes toward the surface.

VOA: standard.2010.01.13

They are diffuse,dispersed,spread out instead of concentrated the way that fossil energy was.

VOA: standard.2010.04.21

And last June,says Sittenfeld, the House passed the American Clean Energy and Security Act, the first bill out of either chamber of Congress to directly take on the challenge of global warming.

VOA: standard.2010.02.25

Among its goals,the resolution aims to strengthen the Nuclear Non-Proliferation Treaty (NPT), to keep nuclear materials out the hands of terrorists, and to ensure the development of nuclear energy for peaceful purposes.

VOA: standard.2009.09.24

National and state governments around the world have been trying out various incentives and subsidies to promote clean renewable energy but the global economic slowdown has hurt the ability of many governments to dole out public funds.

VOA: standard.2010.03.23

Therefore,we would not be committed to any of this." A hardline Iranian member of parliament,Mohammed Karamirad, warned Saturday that Tehran could pull out of negotiations with the International Atomic Energy Agency or stop it from inspecting Iran's nuclear facilities.

VOA: standard.2009.11.28