Thank you.

Go green or go home.

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HP should be ashamed for pushing this scientific fraud upon people and trying to make them feel guilty for living.  There is no scientific evidence that man has caused the global warming that occurred between 1975 and 1998.  Since then, global temperatures have not increased despite continuing increases in atmospheric CO2.  Meanwhile, the temperatures of other planets have increased without the aid of man-made CO2 emissions.  The historic relationship between CO2 in the atmosphere and temperature is that temperature increases cause CO2 to increase at a later time.  Scientifically, the anthropomorphic global warming claims are without justification, other than heat island effects in highly populated areas.  It is clear that natural effects still dominate any effects of man in the global climate.

Let us hope that the earth does not return to more common temperatures in its 600 million year record.  Usually, it has been much warmer than now, but it has also been much colder more often than it has had the pleasant intermediate temperatures we are now experiencing.

Your footprint calculator is hugh.  I wonder how much carbon that burns to transmit the download.  :-)