Economists blamed the crisis on different causes, including high energy costs, bad weather and the use of food-crop lands for biofuel production.

VOA: special.2010.03.23

It says it will work with manufacturers of high-energy products to try to improve energy use.

VOA: special.2009.07.17

He welcomed its commitments to reduce barriers to foreign investment in services, high-tech goods, energy saving products and high-end manufacturing.

VOA: standard.2010.05.25

Chinese Society Entrepreneurs and Ecology represents 130 businessmen who have embraced the principles of green economy: one builds energy efficient high-rise buildings;

VOA: standard.2010.02.24

This is the story of how one man combined LEDs with solar energy technology to bring high-quality, low-cost electric light to poor people around the world.

VOA: standard.2009.12.13

Eighty billion dollars of that total was to be pumped into the U.S.economy to promote development of renewable energy, urban mass transit, high-speed rail systems and clean energy jobs.

VOA: standard.2010.02.25

The World Food Program says it provided high energy biscuits to 7,000 people last week and on Friday it began distributing a one-month ration of cereals, pulses,vegetable oil, salt and sugar to 10,000 people.

VOA: standard.2009.08.21

(Sound) Amid loud acclamations of approval, top hardline Iranian cleric, Hojatoleslam Ahmad Khatami warned the West that Tehran will produce its own high-grade uranium for a medical research reactor, if the UN International Atomic Energy Agency refuses to provide the fuel.

VOA: standard.2009.11.28