"Bert Robbins" wrote in message
. ..
If Mars and the Earth are warming and cooling on the same cycle then it
would lead anyone with any intelligence to conclude that forces outside
of the two planets are the cause of the warming and cooling.

So, like Mr Question Mark and his twin, you also believe that our human
activities have ZERO EFFECT on global warming. Right?

What percentage of global warming on earth do you attribute to the human
effect? Also, what percentage of global warming on Mars do you attribute
to human effect?


I've read this several times, and yet, and do not see an answer to the
simple question I asked you. One last time. I'll put some more space before
the question so it's easy for you to see.



Do you believe that the human contribution to global warming is ZERO?