Who speaks for Mars? Scientists call for ethical debate before terraforming begins

Who speaks for Mars? Scientists call for ethical debate before terraforming begins

Transforming Mars into a more Earth-like world could irreversibly destroy scientific evidence about the planet's history and the possibility of extraterrestrial life. In an opinion article published in Eos, a team of Dutch, French and U.S. planetary scientists and ethicists warns that humanity risks destroying Mars' scientific record before it has been fully explored.