text: It is obvious that not owning a car or choosing to walk more than driving has effected places like Europe, America and South America in a positive way. As more people realize that limiting car usage is good for the environment and benificial to their everyday lives, less people will be driving and the world will slowly see start to see a change.    The author explains his idea very well by saying that it's worth exploring Venus. The author persuades the reader into thinking that Venus is worth exploring because the planet use to be habitable. Venus is still a mystery waiting to be solved. The author also gives scientist's solutions to every danger of Venus.