If you were of a mind to organize an opposition to a developer-friendly ring-road around New Braunfels, which would cut right through golden-cheeked warbler habitat, ruin local property values, and generally torch whatever remains of the natural beauty of the area, you might do well to follow some of these links and make some noise.
In no particular order, and updated as new items are discovered. Please comment with other contacts or information or whatever. 
New Braunfels Outer Loop Planning Site (TXDoT official site)
Article from American Rivers on the threat to the Guadalupe
All about the meeting we went to yesterday, from a blog covering issues in New Braunfels and the nearby Guadalupe watershed
Guadalupe Chapter, Trout Unlimited
Comal County Engineer’s Office, featuring a map of development since 2000. Notice that there is little development in the region where the proposed road would run…
Greater Edwards Aquifer Alliance, many excellent articles
Friends of Canyon Lake, including joint stakeholder coalition (which is a useful list of other regional stakeholder groups)
Guadalupe River Association *above* Canyon Lake, but a good list of government agencies.
Hill Country Water, concerned with all sorts of water issues above Canyon Lake, lots of data, most tangential.
Audoubon Society article on Golden-Cheeked Warbler, a threatened species, further threatened by the outer loop
