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@hoonz
I was reading a book on renewable energy the other day and in the introduction chapter it shows all kinds of data showing a rapidly warming planet and skyrocketing CO2 levels. CO2 was at 280ppm for thousands of years and since the start of the industrial revolution has risen to 380ppm and rising. I'm no scientist but that kind of an increase has got to cause problems. That's nearly a 25% increase.
So much energy is wasted needlessly its an absolute disgrace. We all rely on energy sent down pipes & wires to our homes & offices, often to vastly inefficient buildings that require huge injections of energy for light, power & the daddy of them all - heating. With good design masses of this inefficiency can be gotten rid of. People go on about cars etc, homes pollute just as much if not more. Saving the planet starts at home IMHO.
My 2cents