Stung by drought, Morocco's bees face disaster

Morocco's village of Inzerki is proud to claim it has the world's oldest and largest collective beehive, but instead of buzzing with springtime activity, the colonies have collapsed amid crippling drought.

Climate change: Thawing permafrost a triple-threat

Thawing Arctic permafrost laden with billions of tonnes of greenhouse gases not only threatens the region's critical infrastructure but life across the planet, according a comprehensive scientific review.

A third of global tree species threatened with extinction

Around a third of all the world's tree species are threatened with extinction, according to a global index published Wednesday, warning that climate change could tip some forests into ecosystem collapse.

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