Scientists have warned that if nothing is done, millions of people living around Lake Kivu are in danger.

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Some scientists have warned that the outbreak has the potential to devastate the UK's population of 80 million ash trees.

BBC: Ash dieback could "devastate the Manx countryside"

But while scientists have warned us about chemicals such as chlorinated Tris since the 1970s, they continue to be used in products all around us, including furniture, cribs, mattresses and high-chair cushions.

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While Indonesia's right to rule in Irian is not contested by the United Nations, as in the case of East Timor, the country's own political scientists have warned for some years of the risk of Balkanization should the imbalances between eastern and western Indonesia not be addressed.

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These types of changes are fully consistent with what scientists have long warned would be the consequences of increasing greenhouse gas concentrations in our atmosphere.

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But in fact, government officials, scientists and journalists have warned of such a scenario for years.

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But many marine scientists and conservationists have warned that the implications of this deep-sea gold rush are not yet understood - and that mining nodules or hydrothermal vents could prove catastrophic for seabed ecology.

BBC: UK Seabed Resources joins deep-ocean mineral-mining rush

Scientists who ran the Krebs trial have warned the government that its plan to allow shooting of badgers as they roam was likely to be less effective than the trap-and-shoot method deployed during the trial.

BBC: Badger vaccine pilot planned by National Trust in Devon