UN Environment Programme
@UNEP
Official account of @UN Environment Programme. Updates on triple planetary crisis: climate change, nature & biodiversity loss, & chemicals, pollution & waste
参加 May 2009
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What if a single bird could tell us the health of an entire ecosystem?
In Botswana, the Slaty Egret is a key indicator species for the Okavango Delta.
This #WorldMigratoryBirdDay#, watch how migratory birds connect ecosystems across continents.
@WMBD @BonnConvention @IUCN @EU_Commission @EU_ENV
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