With Earth Day marked on April 22, we look to nature’s solutions to climate change and other challenges. Wetland preservation is vital for our environmental, food and societal futures.

Take a tuk-tuk ride in Colombo, the capital city of Sri Lanka and the chances are with every odd turn you’ll manoeuver past a lake. Water bodies including marshes, mangroves and paddy fields are a common sight among the hustle and bustle of city life, forming a wetland complex trapping pollutants and cooling the air.


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