• December 13 - Comment End - CWSRF and DWSRF Final FFY 2020 Intended use Plan
  • December 14 - Five Rivers - Guided Walk: Old Field Trail
  • December 14 - Reinstein Woods - Make a Reusable Bag
  • December 16 - No Further Action Prop. - 19 Patchen Ave. Site (Brooklyn) Comment Deadline
  • December 16 - Proposed Cleanup - Cottage Place Gardens Phase 5 (Yonkers) Comment Deadline
  • December 16 - Proposed Cleanup - The Crossroads at Genesee (Buffalo) Comment Deadline
  • December 17 - Five Rivers - Friends of Five Rivers Early Winter Family Fun Program
  • December 17 - Five Rivers - Friends of Five Rivers Walking Club
  • December 18 - Reinstein Woods - Senior Stroll
  • December 20 - Brownfield App. & Work Plan - 2455 Third Ave. Site (Bronx) Comment Deadline
  • December 20 - Brownfield App.-Former Military Road School Site (T. Niagara) Comment Deadline
  • December 20 - Brownfield Application - 130 Midland Ave. Site (Port Chester) Comment Deadline
  • December 20 - Brownfield Application - 140 Chandler St. Site (Buffalo) Comment Deadline
  • December 20 - Brownfield Application-Former Yonkers Firehouse Site (Yonkers) Comment Deadline
  • December 20 - Draft Investigation Plan - Crannell Square Site (Poughkeepsie) Comment Deadline
  • December 20 - Proposed Cleanup - Ellicott Station Site (Batavia) Comment Deadline
  • December 20 - Remsen-Lake Placid Draft UMP Public Comment Period Deadline