When Rob Barrett surveyed one of Norway's largest seabird colonies in the '70s there were too many birds to count – stark before and after photographs reveal sharp decline
13
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Geiranger in Norway, where a fissure growing in the side of a cliff could dislodge a rockslide so powerful it unleashes a deadly tsunami
16 votes -
Why it's perfectly normal to see baby puffins thrown off cliffs in Iceland each year
10 votes -
Alex Honnold just led the first ascent of one of Earth's tallest Arctic sea cliffs, gathering crucial climate data along the way
8 votes -
Dover clifftops 'buzzing with wildlife' after National Trust takeover
7 votes -
Climate change has caused a catastrophic drop in the numbers of terns, kittiwakes and puffins
7 votes