Half a billion birds fly over Israel during the autumn migration.
A leading Israeli ornithologist tells the Today programme that Israel is at the junction of three continents: from the political point of view, it's a disaster (the airspace is crowded enough); from the ornithological point of view, it's heaven.
Guest post: How declining cloudiness is accelerating global warming
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For the past two decades, low-level cloud cover has been declining,
increasing the amount of...
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