The only way is down: subterranean survival warning

Solutions to the biggest threats facing our planet lie underground, according to experts who insist climate change, overpopulation and food shortages can all be tackled by going subterranean.

Internet keeps government honest: Google chief

Broader adoption of the Internet will keep governments on their toes as wired-up citizens exercise their newfound power to check rights abuses, Google chief Eric Schmidt said on Saturday.

C.Africa elephant population down 62% in 10 years

Poaching on an "industrial" scale has slashed the elephant population in the countries of central Africa by nearly two-thirds, a group of international non-governmental organisations (NGOs) said on Friday.

World population to hit 10 bln, but 15 bln possible: UN

The world's population of seven billion is set to rise to at least 10 billion by 2100, but could top 15 billion if birth rates are just slightly higher than expected, the United Nations said on Wednesday.

Rhino population in Nepal grows in conservation boost

Nepal's population of endangered one-horned rhinoceros has grown by more than a hundred over the past six years, officials said, with campaigners hailing the increase as a conservation "milestone".

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