Why the HELL haven't we gone back to the moon yet?

Jeff Findley wrote:

Mars also has a
significant atmosphere that would likely interfere with the cooling system,
which used water sublimation for cooling.

Evaporative cooling should work just fine on Mars.

The problem on Mars is that even thin atmosphere conducts heat away
from the suit more effectively than would radiation into vacuum.
The suit may get too cold.

(newsgroups cut down. Pro wrestling?!)

Paul