I recently came across the videos of Oregon State horticulturalist Andrew Millison, who is an amazingly clear presenter about permaculture: [link] For example, he has nice videos about chinampas in Mexico ▶ this video , a medieval Indian canal tunnel of a style found throughout Iran [link] , efforts to return a Hawaiian watershed to something like its historical state [link] , the Indian Paani Foundation's "water cup" to revitalize drought stricken villages [link] , and the difficulty of using ancient iron-saturated aquifers for irrigation in western Egypt [link]
in “Gene banks aren’t enough to save the world’s food” · View on HN