Space development should not be promoted.// The following problems need to be addressed.//
　First,/space development requires a huge amount of money.// Recently,/in Japan,/more than 300 billion yen has been spent/on space development each year.// Yet,/space development does not necessarily achieve/the desired results.// Some people argue/that their governments should spend money/for solving immediate problems/rather than investing in faraway space.//
　Second,/space development can damage the environment/in outer space.// Broken satellites and parts of rockets,/which are called space debris,/remain floating around the earth.// The amount of space debris has been increasing,/and scientists estimate/that nearly 20,000 pieces of debris are there.// If one of these pieces hits an active satellite or the space station,/it can cause a serious accident.//
　Third,/the present situation of space development is not fair/for developing countries.// Now,/only rich countries compete to exploit space/and to gain benefits.// Space does not belong to any country;/no single country should try to dominate it.//
　Thus,/space development brings nothing but disadvantages/for humans.// It must be stopped immediately.//