text: In paragraph 2 the author claims "Numerous factors contribute to Venus's reputation as a challening planet for humans to study, despite its proximity to us." He also states that NASA has sent numerous spacecrafts to land on this cloud- draped world. Each previous mission was unmanned, and for a good reason, since no spacecraft survived the landing for more than a few hours. Maybe this issue explains why not a single spacecraft has touched down on Venus more than three decades ago." But NASA is still studying how they could get a better way to study Venus.Why is is beneficial to have limited car usage? This is a question that has several answers varying from personal health, to economic gain, to enviromental gain. Though the car has been the symbol of the modern age, there seem to be few 'down-sides' to limiting the usage of these transportation units.