All videos

This Scientist Is Cleaning Up Peru’s Wetlands With Nano-Bubbles

While half the world’s wetlands have been lost since 1900, scientist Marino Morikawa invented the ground-breaking nanobubbles technology to clean wetlands. He tested his creations on El Cascajo wetlands near Lima, Peru. Marino uses nanobubbles that are 1000 times smaller than the bubbles in a fizzy drink to transform polluted swamps into flourishing hotbeds of biodiversity in a matter of days. Here’s how it works and more.

Topics:
Nature and Biodiversity
Share:

More on Nature and Biodiversity
See all

How healthy soil and land creates solid ground for global resilience

Andrea Meza Murillo and Gill Einhorn

December 5, 2025

7 ways the tech sector can lead the nature-positive transition

2:06

About us

Engage with us

Quick links

Language editions

Privacy Policy & Terms of Service

Sitemap

© 2025 World Economic Forum