The Other Climate Threat: Transportation
The content you've requested is available without charge only to active Sigma Xi members and affiliates.
If you are an active member, affiliate or individual subscriber, please log in now in order to access this article. Be sure you've entered your member or subscriber number on your profile page. (You can access your profile page through the green box to the right.)
If you are not a member, affiliate or individual subscriber, you can:
With world population and wealth on the rise, the use of motorized transportation will expand globally. Since transportation already is a significant source of greenhouse gas emissions, this growth has serious implications for climate change. Understanding the history of transportation use gives insights into which fuels, technologies and public policies may best control emissions from this vital sector of the world economy.