How to help an Earth under stress? Let’s look to wetlands

As we mark Earth Day this week, we look to nature’s solutions to climate change and other challenges. Wetlands preservation is vital for our environmental, food and societal futures. 

Take a tuk-tuk ride in Colombo, the capital city of Sri Lanka, and chances are with every odd turn you’ll maneuver 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.