While some biodiversity change trends are deeply worrying, such as the decline of common bird species in North America, others offer hope, such as the recovery of rare birds: “I've seen in my lifetime species that were locally extinct come back, and rivers that were dead come back to life,” says Inside Biodiversity guest Henrique Pereira. “And that's because there's been so much positive development from environmental policy in Europe and in other countries in the world.”

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