CHICAGO (AP) -- When it comes to trains, there's fast and then there's really, really fast. Advocates on Tuesday unveiled an $11.5 billion plan for a Chicago-St. Louis high-speed line that could cut travel times to two hours from the current five.

For years, landowners have gotten paid for not farming. Now they may get paid for not cutting down trees.

Many people (myself included) have painted a picture of how the consumer piece of the smart grid could develop into a real-time two way communication network that looks a lot like the Internet.

Lisa Jackson, the head of the EPA reiterated yesterday that the United States government is committed to a green economy during her trip to Paris...