Gardening & Pets:
How to Compost »
Native Gardening »
Oxford Farmer's Market »
Oxford Lafayette Humane Society »

Home Building & Energy Related:
Energy Star Free Home Energy Audit »
Leadership in Energy & Environmental Design »
Rocky Mountain Institute »
TVA Green Power Program »
U.S. Green Building Council »

Recycling & Reuse:
Freecycle »
Oxford Recycling »
Recycling Unusual Items »

Transportation Related:
EPA Car Fuel Economy Comparison Site »
Lafayette-Oxford-University Pathways »
Oxford - University Transit »

Miscellaneous:
Arbor Day Foundation »
Brundtland Commission » (from Wikipedia)
Environmental Protection Agency »
Strawberry Plains Audobon Center »
University of Mississippi Green Initiative »

We'll add to this list when we have other green links.  Would you like to share yours?