There is quite a bit of effort underway to reduce the amount of pollution automobiles dump into the atmosphere. The expanding role of electric cars is a big part of this.
As the world’s population grows and becomes more urban and affluent, the amount of solid waste we produce grows and grows. Over the past century, the total amount has risen tenfold. By 2025, the world-wide total is expected to double again. The average person in the United States throws away their body weight in garbage every month.
