How green is green? how carbon neutral is it really?

when a company say's it's product is green, a car for example, they state figures about it being 'carbon neutral' or 'non-poluting' but does the polution and waste from the manufacture of this product get taken into the equation?
Is it really enviromentally friendly to fit something like solar panels to our houses if the panels make more pollution in thier manufacture than they stop in the coal fired power stations?
If it's more expensive and creates more pollution than the current way of doing something, why should we change?

Answers:
population growth might be the problem-
sorry that statement is not allowed-it is politically
incorrect-always look for the obvious
The manufacturers of some 'green' products are selective in their description of how green their product is. Most promote the energy saving or low carbon emissions but don't say anything about the energy used or carbon dioxide and other pollutants released during manufacture their product. Solar water heating panels are 'green' overall as they are a low technology device using fairly simple materials and are very efficient in use. The same cannot be said of photovoltaic cells, electric cars and wind turbines.

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