"John" wrote in message
...

Installing any alternative energy gadgets doesn't just give a financial
return (which isn't the reason most people do it anyway), it makes one
aware
of helping the environment in other ways - by not squandering our
resources.

Would be interesting to know the total costs for making a solar panel
not just for its useful life but from start to scrapping, as well as
how they are made and if that's good for the environment?

Would be interesting to know the same about a conventional boiler ...