On the back of $16 billion-worth of investment, America overtook Germany to become the world

The mystery of Scotland

Chicken feathers could provide a high-capacity store------

Nano-engineering can produce substances with unique properties that will give renewable energy a boost

MULUALEM TEGEGN bought a donkey last year. As a hard-working Ethiopian farmer, aged 58, he saw the purchase of the beast as a return to better times after several seasons in which drought and high prices had forced him to sell his livestock and take his grandchildren out of school to work on the farm.

If anyone suggested the World Bank did not take global warming seriously, its bosses would bristle: only last October, they would point out, the institution issued a

Barack Obama was elected in part to fix America

FOR more than 20 years Carmen Lasso has scrabbled a living of sorts for herself and her eight children by scavenging at a rubbish dump in Cali, Colombia

THOUSANDS of officials from all over the world this week neared the end of two weeks of difficult talks in Bonn under the United Nations

THE tiny village, where naked Ticuna Indians live in wooden houses raised on stilts, looks out over one of the rivers that becomes the Amazon. No place seems farther removed from the ups and downs of the world economy. But this is misleading.