Emerald Necklace Conservancy @EmNecklaceBos

Our friends at @charlesriver need your help! Each year, thousands of migratory fish return to the Charles to spawn, and the CRWA is collecting data on how many are able to navigate the river’s dams.Learn more and sign up for volunteer sessions here: https://t.co/1vSgF4UhfW https://t.co/taRKPJRZlF