SIPCOT Area Community Environmental Monitors
- Organization, based on Cuddalore, seeking engage the public in understanding and fighting toxic pollution by engaging in monitoring. News and information about conditions and issues throughout Tamil Nadu and beyond.
- http://www.sipcotcuddalore.com/

TWAD - Rainwater Harvesting
- Information on the history of water harvesting methodologies in Tamil Nadu and the modern methods adopted for rain water harvesting structures and advised by TWAD Board for both individuals and professionals.
- http://www.aboutrainwaterharvesting.com/