nasa has confirmed 3 areas of mars with active methane releases,methane doesn't last long and so must be being replenished "could be" the result of microscopic life. http://news.bbc.co.uk/2/hi/science/nature/7829315.stm
Another report about gassy aliens...BBBRRRRTTTT! Hey, isn't methane a greenhouse gas? Why isn't Mars warming up then?
"They" say "it is". it's one of the best arguments against:"Man made Globe-al gorming".No suv's but experiencing increases in average temp(don't ask me how they know this)