Why mangrove forests are healing after decades of human destruction

为何红树林在经历了数十年的破坏后得以修复

What in the World

2026-06-23

9 分钟
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单集简介 ...

For decades, mangrove forests were disappearing at an alarming rate. Now, new satellite data reveals a hopeful shift. After years of decline, these vital coastal ecosystems are making a comeback. In this episode, BBC environment correspondent Matt McGrath explains what mangrove forests are, why they suffered such significant losses from the 1980s through the 2010s and how advances in technology are allowing scientists to track their recovery from space. We also examine why mangroves are one of nature’s most powerful tools for protecting coastlines, storing carbon and helping communities adapt to climate change. Instagram: @bbcwhatintheworld Email: whatintheworld@bbc.co.uk WhatsApp: +44 330 12 33 22 6 Presenter: Hannah Gelbart Producers: William Lee Adams and Benita Barden Video producer: Baldeep Chahal Editor: Verity Wilde
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  • Hey it's Hannah and this is what in the world from the BBC World Service.

  • Earlier this year I was in Brazil and I took a boat ride through some mangroves

  • and it was an amazing place to be because at low tide you could see all of these roots sticking

  • up through the mud and these huge blue crabs scatling between them and then a few hours later it completely changed.

  • The water rose as the tide came in, you couldn't

  • see any of the roots and it looked like a completely different place.

  • And mangroves are some of the most valuable ecosystems on earth.

  • They protect coastal communities from storms, their homes to thousands of species

  • and they store huge amounts of carbon which would otherwise heat up the planet.

  • For decades we have been losing them but now they are making a comeback

  • and today you're going to hear why that matters and what's being done to protect them.

  • We're going to find out more about this now from our environment correspondent, Matt McGrath.

  • Hi, welcome.

  • Hello, Hannah.