Since it seems that people may be having to cope with more and more cold, I guess that "environment" is a good forum to put things about coping with same. I sorta stumbled on this business about "Rocket Stove" and decided to see what it is. Some of the videos you find on the side links when you watch these on youtube are pretty interesting.
https://youtu.be/v20dCSxV5ow
https://youtu.be/FdR6WXggiKQ
https://youtu.be/7uQ8go5-z2E
https://youtu.be/7wqJQmD-eVo
https://youtu.be/5IRLVCJ1olA
https://youtu.be/v20dCSxV5ow
https://youtu.be/FdR6WXggiKQ
https://youtu.be/7uQ8go5-z2E
https://youtu.be/7wqJQmD-eVo
https://youtu.be/5IRLVCJ1olA