Of course we have a solartwin solar panel (which I use as a test bed) and at home we burn scrap wood when we can. We have one large old car which we (as quite a large family) use only every week or two. I walk to work and cycle and sail (windpower!) for fun.
An environmental scientist who has also been a fish farmer, journalist and teacher, for the past decade I have run a UK solar company called Solartwin. We provide PV and solar thermal installations to homeowners and trade customers.
I also run an innovation hothouse which seeks to develop wind thermal systems and thermochromic (non boiling) solar panels.
As one of several "disruptive product" innovators, I would strongly recommend that you come direct to inventors for explanations and third party evidence of how and why innovators do things. There are some amazing new ways of solving environmental challenges - and of developing renewable energy solutions with environmental footprints which are as small as possible.
Don't be surprised if supporters of older technologies will seek to present innovations as toxic snake oil. Renewable energy is in direct competition not with other types of renewable energy but with fossils and nuclear.
Not using any energy at all is best. Relax! Using it less helps. Tuning it off helps too.
Be contextual - it is the big picture (and not one superefficient supergreen component in isolation) that matters.
Brought up in Asia, on arriving in chilly UK, my Grannie warned me sternly to wear thick socks a hat and warm underwear. At the time, she said this to help me - rather than the planet.
Final tip? Just as my father, who worked for Shell for most of his working life, still stops at Shell petrol stations when he can, obviously I am bound to recommend installing Solartwin solar panels - but only if the main energy efficiency measures have been done first.