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 the world’s rivers are releasing billions of tonnes of
‘ancient’ carbon
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The perception of how the land surface releases carbon dioxide (CO2)
typically conjures up images...
The post Guest post: How the world’s rivers are rele...
2 hours ago
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