Green Building Guidelines and Specs

High Performance Building Guidelines
Interactive, detailed resource organized by team member roles, phases, and high performance objectives.
http://www.ci.nyc.ny.us/

Minnesota Sustainable Design Guide 2.0
Provides strategies organized according to two process topics--planning and innovation--and six environmental design topics--site, water, energy, indoor environmental quality, materials, and waste--along with performance indicators.
http://www.msdg.umn.edu/

Whole Building Design Guide
A well-organized and comprehensive resource that provides information on a wide range of building-related guidance, criteria and technology from a 'whole building' perspective.
http://www.wbdg.org/

GreenSpec.com
From BuildingGreen.com.
http://www.buildinggreen.com/index.cfm