Nature and EnvironmentIndiaCoastal sand erosion in IndiaTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoNature and EnvironmentIndiaMohit Rao06/14/2023June 14, 2023Coasts worldwide are threatened by the sea. Seawalls, groins or reefs often aren't a solution because they only create new problems elsewhere. Scientists are instead considering green walls constructed from trees or creepers.https://p.dw.com/p/4SLsmAdvertisement