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Environment – Articles, Analysis, Comment

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Ali Asair, a young farmer in Somalia, left his family behind and traveled hundreds of kilometres in search of pasture for his animals. Dai Kurokawa/EPA

Climate migration: what the research shows is very different from the alarmist headlines

Climate migrants still tend to move to places they know or have connections to through their social networks.
Sabre-tooth tiger Smilodon meets the South American marsupial, Thylacosmilus. This is a classic image of supposedly ‘superior northerners’ outcompeting ‘inferior southerners’, but such meetings actually rarely happened as many of the southern species had already gone extinct. 'The rise of Smilodon', Hodari Nundu

South America is filled with mammals of North American origin but not vice versa – and scientists have figured out why

Why were mammals travelling south through newly-formed Panama so much more successful than those heading north?