Green Spaces Alliance of South Texas has helped foster more than 40 community gardens in the greater San Antonio area since 2006. A map of the Green Spaces Alliance Gardens Network is visible on the Green Spaces Alliance site.
Many organizations collect and compile environmental information, and some even conduct their own research. When using organizational websites for research, be sure to be aware of potential sources of bias or agendas that they might be pushing. Look at the "Evaluating Information" tab in this LibGuide for tips on how to be sure you're using good sources.
The box on the left below includes Texas-based and important local organizations, but here are some major national groups; be aware that they may have some information on sites and projects in Texas:
For general United Nations links, see the United Nations Research guide. Here is a UN project focused on sustainability in urban areas: