NEW YORK: NASA's former astronaut Mary Allen Webber has said that space tourism poses no threat to the environment. SHe also stressed that the U.S. space agency is already working on an environmentally friendly propulsion system. He said this while addressing the press conference at the U.S. Embassy in The U.S. capital Noor-Sultan in Kazakhstan on Friday. Pak provides military, financial and logistic help to terrorists against India "A lot of things affect the environment and I don't think we are flying so many space tourism flights every year that it will have a huge impact on the environment," She said. He further added that NASA is working on developing fuels that will be at least harmful to the environment. At the same time, Mary has also revealed that NASA is spending a lot of money to protect it. The political drama continues in Karnataka, know the whole equation in point 9 According to a report by AFE News, a total of seven passengers travelled to the International Space Station between 2001 and 2009. The first of these was American businessman Dennis Tito, who paid two million dollars for it. In 2009, Canadian businessman Gee Leberte visited the International Space Station. Both booked their journey through Space Adventures Ltd., a firm based in the US. Also Read: Completed 6500-km journey by hiding under the plane , survived minus 60 degrees Celsius BJP office bearers' meeting begins, Shah may be present