• January 21 - Five Rivers - Friends of Five Rivers Walking Club
• January 21 - Marine Resources Advisory Council - East Setauket
• January 22 - Public Workshop - Hazardous Waste Revisions Being Considered: Generator Rule
• January 22 - Five Rivers: Friends of Five Rivers Guided Walks:Talk 'N' Trek: Nature in Winter
• January 22 - Public Workshop - Hazardous Waste Revisions Being Considered: Pharmaceuticals
• January 22 - Public Meeting - Starlite Dry Cleaners Site (Medina) Proposed Cleanup
• January 23 - Brownfield App. & Work Plan - 138 Bruckner Blvd. Site (Bronx) Comment Deadline
• January 23 - Brownfield Application - Top Hat Cleaners Site (Brooklyn) Comment Deadline
• January 24 - Proposed Expedited Cleanup - Red Hook 3 Properties (Brooklyn) Comment Deadline
• January 25 - Five Rivers - Family Fun: Winter Homes
• January 25 - Reinstein Woods: Learn To Cross-Country Ski
• January 25 - Five Rivers - Family Fun: Grafton Lakes State Park 35th Annual Winter Festival
• January 25 - Five Rivers - Family Fun: Winter Walk on the Service Loop
• January 27 - Public Hearing - Proposed Rulemaking 6 NYCRR Part 351 Regulations