spiffy: Use trees in mutualistic ways to satisfy basic human needs

This thread follows the format laid out by the spiffy thread

This is mainly focused on different actionable ways to satisfy physiological human needs using trees, in ways which are of mutual benefit to both humans and trees.

Please use just one link per post.
Please use the "thumbs up" for the posts you like the most.
Please take discussion to other threads, this thread is just for links and a quick description of the links.

Hugelkulture to irrigate less or not at all using woody debris: https://permies.com/t/51518/spiffy-hugelkultur

Eat a more tree-friendly diet. This is a big one - some diets actively reforest the world! One way is to add more tree crops to your diet, especially those grown in healthy agroecosystems (e.g. with diversity, little/no external industrial inputs). Fruit and nuts are great nutrition sources. Other foods can be grown among trees (e.g. forest gardens), or simply with less harm to trees (conservation agriculture). Ask your local farmers or grocers to find out who's sustaining both humans and trees!

A little more info on satisfying one's hunger with trees: https://permies.com/t/98194/kitchen/staple-crops-grow-trees-eating

Use Coppiced wood for firewood fuel instead of cutting down old-growth forests and woodlots:

https://permaculturenews.org/2017/09/15/best-species-coppice-forestry/