Forums in the Climate Change Niche

1. Debate Politics
Non-biased and non-partisan political forums. Debate topics may include breaking news today, media bias, abortion, warfare, conspiracy theories, economics, climate change and health care discussion.
http://www.debatepolitics.com/  

2. David Icke's Official Forums
Forum for the Future is a leading international sustainability non-profit. For over 24 years we’ve been working in partnership with business, governments and civil society to accelerate the shift...
http://www.davidicke.com/forum/  

3. Thailand Travel Forums » Th
Thailand Travel Forums » Thailand travel guide
http://thailandtravelforums.com/index.php  

4. capeverde.com
Forum has 42,758 posts.
http://www.capeverde.com/forum/  

5. NZ Weather Forum
Forum has 138,210 posts.
http://weatherforum.org.nz/phpBB3/  

6. Science Forums
ScienceForums.net: the world's premier science discussion forum. Many topics covered; for beginners to serious researchers.
https://www.scienceforums.net/  

7. The Skeptics Society Forum
Forum has 780,026 posts.
https://www.skepticforum.com/  

8. SciForums.com
Forum discussions cover world events, science, religion, philosophy, and technology.
http://www.sciforums.com/  

9. www.biggerpockets.com
The BiggerPockets Forums are the most active & comprehensive place for investors to find questions & answers or real estate discussions. Join the conversation today!
https://www.biggerpockets.com/forums  

10. Singapore Expats
Singapore Expats Forum
http://forum.singaporeexpats.com/  

11. The Org
Forum, Totalwar, Shogun, Medieval, Rome, Empire, Napoleon, STW, MTW, RTW, VI, BI, Alexander, M2TW, ETW, NTW, S2TW, CA, Creative Assembly, Tournament, Multiplayer, Replays
https://forums.totalwar.org/vb/forum.php  

12. The Reef Tank
A forum community dedicated to reef aquarium owners and enthusiasts. Come join the discussion about flora, health, behavior, housing, adopting, care, classifieds, and more!
http://www.thereeftank.com/forums/  

13. GSM-Forum
Forum has 2,153,392 members.
https://forum.gsmhosting.com/vbb/  

14. The Science
Scientific Discussion and Debate
https://www.thescienceforum.com/  

15. Tech Support Forums
TechIMO - Tech Support and Performance Advice
http://www.techimo.com/  

16. Unexplained Mysteries Discussion Forums
Forum has 4,997,834 posts.
https://www.unexplained-mysteries.com/forum/  

17. Living In Indonesia Expat Forum
Forum has 338,535 posts.
https://www.livinginindonesiaforum.org/