Decline of bees, other pollinators, poses crop risks: UN group

Decline of bees, other pollinators, poses crop risks: UN group
A large swarm of bees, measuring about 1m in length, cluster around a tree along Changi North Way.

Populations of bees, butterflies and other species important for agricultural pollination are declining, posing potential risks to major world crops, a UN body on biodiversity said Friday.

"Many wild bees and butterflies have been declining in abundance, occurrence and diversity at local and regional scales in Northwest Europe and North America," said an assessment by the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES).

It said declines also had been detected elsewhere in the world and that possible causes include habitat loss, pesticides, pollution, invasive species, pathogens and climate change.

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