[So, on Mars, do they ‘go red’? — SKG]
By Judith Burns, Science reporter (BBC News) — The Martian surface is very hostile to organics say scientists. Methane on Mars is being produced and destroyed far faster than on Earth, according to analysis of recent data.
Scientists in Paris used a computer climate model for the Red Planet to simulate observations made from Earth. It shows the gas is unevenly distributed in the Martian atmosphere and changes with the seasons.