Resource rich but energy poor Ghana's biggest challenge is remedying power shortages that force frequent brownouts.

在资源丰富但能源缺乏的加纳，最严峻的挑战就是解决造成频繁断电的能源短缺问题。

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Plants can't run away from danger, so investing energy in a body system which recognizes a threat and can feel pain would be a very poor evolutionary strategy, according to the article.

根据这篇文章的观点，由于植物无法逃离危险，所以将能量投入到能够识别威胁并感知疼痛的身体系统中，是一个非常糟糕的进化策略。

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He was a writer who used all his energy to make the world a better place for poor people.

VOA: special.2010.08.01

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

"The next thing is to work out how technology can be transferred from rich countries to poor countries and this will involve things like investment in renewable energy, investment in wind power and solar, investment in more efficient power stations,"

VOA: standard.2009.11.04

Expensive energy, poor infrastructure and increasing labour costs - known as "Custo Brasil" or the "Brazil Cost" - have weighed on growth, analysts say.

BBC: Brazil economy slows unexpectedly

By contrast, one of the characteristics of the developing world is that people often have to leave energy-poor rural areas and travel to cities to find this economic opportunity.

FORBES: The Good Grid and why bragging about being "off the grid" is silly

Rich-country governments should help money flow from the markets by subsidising the risk of investing in clean energy in poor countries: public money should be used to prompt larger sums of private capital.

ECONOMIST: The Copenhagen Summit