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Record floods threaten southern China

Record floods were expected in parts of southern China Thursday as heavy rains pushed water levels in the Pearl River delta to their highest in almost a century.

Air pollution may increase freezing rain in northern hemisphere

Freezing rain is a typical weather disaster in winter and early spring over many regions of the world, even tropical areas. It develops as supercooled water (below 0 °C) in the air and freezes immediately after depositing ...

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