In Brazil, mangrove reforestation proves crucial in fight against climate risks [Video]

At the rear of Rio de Janeiro’s polluted Guanabara Bay, thousands of mangroves rise as tall as 13 feet from a previously deforested area.

The 30,000 trees, planted by non-profit organization Instituto Mar Urbano over four years in the Guapimirim environmental protection area, stand as an example for cities seeking natural means to improve climate resilience.

Such ecosystems are vital for protection against floods that have become increasingly frequent around the world. Brazil’s southern state of Rio Grande do Sul is still reeling from a devastating flood earlier this month that wreaked havoc and took lives, with waters far from subsiding to normal levels.

BRAZIL’S RIO GRANDE DO SUL FACES ECONOMIC WOES AFTER FLOODS, AND AN UNCLEAR PATH TO REBUILDING

Mangroves slow sea water’s advance into riverbeds during storm surges by soaking it up, and protects the land by stabilizing soil that otherwise could be washed away. They also act as a carbon sink. The reforestation in …