Known as “Earth’s kidneys,” wetlands provide a variety of ecological benefits: habitats for diverse species, flood containment, pollutant purification, and carbon absorption. But in China, wetland loss and degradation has exposed people to the whims of climate change. What has China done to protect its wetlands, and how should the country better adapt to climate change with wetlands—a “Great Wall” made of mudflats, mangroves, and waterbirds? Jianbin Shi and Xiaojing Gan, two China-based wetland experts from the Paulson Institute, may enlighten us.