We know all about the dam­age caused to the en­vi­ron­ment by hu­man ac­tiv­ity (for a prime ex­am­ple, check out this week’s Spot­light brief­ing on air pol­lu­tion on page 30). But an­other equally con­cern­ing ef­fect of hu­man be­hav­iour is a loom­ing cri­sis of bio­divers

The Guardian Weekly - - Contents -

Our cover story this week co­in­cides with a ma­jor new re­port from in­de­pen­dent con­ser­va­tion or­gan­i­sa­tion WWF, de­tail­ing how hu­mans have wiped out 60% of mam­mals, birds, fish and rep­tiles since 1970, as con­sump­tion of food and re­sources by the global pop­u­la­tion desta­bilises the web of life. Along­side the low­down on this cri­sis, we bring you the con­trast­ing sto­ries of two crea­tures – the Amer­i­can horse­shoe crab and Africa’s lion pop­u­la­tion – both en­dan­gered, but for very dif­fer­ent rea­sons.

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