(photo CC Jen Hudon) Several groups in the NYC area are using PLOTS tools including balloon mapping to document at-risk ecological sites. ##Gowanus Canal Mapping## New York City is home to the "Gowanus division" of Grassroots Mapping, which is conducting a monitoring project of the Gowanus Canal cleanup. gowanus_CanoeRun by Carlos Yusitis Check out Grassroots Newark: http://grassrootsnewark.wordpress.com/ as well as a recent workshop held at Union Square: http://grassrootsmapping.org/search/parsons