A note from the author.

This guide started nearly 20 years ago as an idea in my head and remained safely there until its recent emergence in preparing a handout for a Renewable Energy talk at the Green Gathering. As days unfolded, the sections blossomed, fed by my scribbled notes from countless locations. As in life, this is a work in progress, and should you see some areas that need a bit more loving, correcting or useful information added to it, then please get in touch. We are all sharing this wonderful planet together, so all hands on deck and let's make our Mums beam with pride.











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