What are ‘sponge cities’ and how can they prevent floods?
A new AI-based study compares cities’ trees and lakes to how much concrete they have, to gauge their ability to respond to climate shocks.
Mangrove forests, with their roots knee-deep in the sea, provide shelter for endangered wildlife, food for coastal communities, and a rich ecosystem with the ability to extract up to five times as much carbon from the atmosphere as forests on land.
Yet mangrove ecosystems around the world are under threat. In some regions, more than 80% have already been lost. Raising awareness of the vital role that mangroves play in both biodiversity and environmental sustainability is more important than ever.
As the winners of the Mangrove Photography Award 2021 show, mangroves are deeply entwined with life on the shoreline, from the Caribbean to the Middle East and from the Philippines to the Florida coast.
The competition is run by the Mangrove Action Project. Now in its seventh year, it has attracted entries from 65 countries. Here are some of its most impressive submissions.
Overall Winner: “A Brave Livelihood” — Musfiqur Rahman, Bangladesh
Winner of Mangroves & Landscape: “Autumn Tree” — Zohaib Anjun, UAE
Winner of Mangroves & Wildlife: “Adaptation of the Bengal Tiger” — Arijit Das, India

“After four days of tracking the elusive Bengal tiger,” writes the photographer, “we were finally able to predict where this individual might cross a creek. These big cats have adapted to life in the mangroves, and shadow through creeks and channels in search of prey.” Image: Mangrove Action Project.
Winner of Mangroves & People: “Mangrove Propagators” — Mark Kevin Badayos, Philippines
Winner of Mangroves & Underwater: “Shelter” — Shane Gross, Bahamas
Winner of Mangroves & Threats: “Garbage” — Mark Kevin Badayos, Philippines
Winner of Mangroves & Youth: “Coastal Phantom” — Caleb Hoover, USA
Asides from hosting the photography competition, the Mangrove Action Project is actively engaged in preserving, conserving, and restoring the world’s mangrove forests, including as a Knowledge Partner of the Mangroves Working Group, led by Friends of Ocean Action.
This article was first published by the World Economic Forum.
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