ScienceWater buffalos in the service of research 05:14This browser does not support the video element.Science02/19/2021February 19, 2021For centuries, marshes have been drained to create farmland. Now, some are being reflooded to help protect the climate. That means new challenges for farmers. One is now experimenting with raising water buffalo on fenland. They seem to be thriving.Copy linkAdvertisement