How do we improve?
The way to improve our sustainability is to learn from the experience of others. What we hope to have here are links to sites that give us the opportunity to do that.
Gardening is part of sustaining yourself both physically and mentally but often we wonder on what to do. The following are sample links that show how. There are many other examples out there
a. See this content on growing your own https://sustainablewarminster.co.uk/grow-your-own/
b. Make up your own compost mixes https://www.growveg.co.uk/guides/grow-better-plants-with-homemade-organic-potting-mixes/
c. Simple guides such as on RHS site https://www.rhs.org.uk/advice/beginners-guide
Formal but ad-hoc
The following is a link to Nature & Environment Courses (2-4 weeks online) page provided by universities at moderate cost.
but others are from Bristol https://www.futurelearn.com/courses/sustainable-futures
and other Universites round the world.