8 in 10 lizards could be at risk due to deforestation

In Colorado, people flock to the Rocky Mountains when the summer heat gets unbearable. Animals seek shelter too when temperatures become extreme, and forests serve as critical sanctuaries for small tree-dwelling animals like ...

Climbers to pay $13 fee on popular Mount Fuji trail

Hikers using the most popular route to climb Japan's Mount Fuji will be charged $13 each from July, with numbers capped to ease congestion and improve safety, a regional official said Tuesday.

New research shows how bats 'leapfrog' their way home at night

A silent ballet takes place above our heads at night as Britain's bat populations leave their roosts to forage for food. Although their initial movement away from roosts is fairly well understood, until recently little was ...

Heat wave risk hovers over Paris Olympics

Scorching summer heat is hard to imagine now in mid-winter Paris, but in six months when the world's athletes arrive for the Olympics, another pounding heat wave would spell trouble for organizers.

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