As climate dangers rise, scientists predict disasters before they happen

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The scientists' organization, called Famine Early Warning System Network or FEWS Net, sent out an alert with U.N., EU and African institutions, saying the "unprecedented" drought would likely "cause a perilous and disruptive humanitarian disaster".

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FEWS Net began in 1985 following the Ethiopian famine. The U.N. has run a similar programme known as GIEWS for decades, while other agencies including the World Food Programme have experts regularly analysing conditions.

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A U.N. report last year found that 58 developing countries collectively need about $70 billion per year through 2030 to adapt to climate change. So far rich countries have mobilized only $20 billion annually for these efforts, according to the Organisation for Economic Co-operation and Development. They pledged at the U.N. climate summit in Glasgow last year to double that figure by 2025.

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