text: The second advantage is that the protection. If the usage is reduce then the the greenhouse gases will reduce emissions from tailpipes ,(rosenthal) and thats a good thing becuase if you think about it it cant be a bad thing and never will be a bad thing .The greenhouse gases are a good thingnot somthing bad it helps plants grow. Millions of colombians biked,skated or took buses ,(selsky) and that even uses less green house gases.