High-speed rail

Syed Hoda, chief of Cisco's smart transportation unit, discusses the massive business opportunity in connected transportation, and how it could change the way we work, play and live.

December 1, 2010 4:39am | By Andrew Nusca

Chevron has kicked off Project Brightfield, a test of seven next-generation solar energy technologies in Bakersfield, California.

2 | May 26, 2010 7:19am | By Andrew Nusca

Floating a modest proposal that will make unlimited room for cramped airports.

13 | October 26, 2009 6:00am | By Joe McKendrick

Welcome to SmartPlanet! We're a new site from CBS Interactive that will bring you the best energy, science, tech, healthcare and design news -- from a business angle.

June 3, 2009 12:01am | By Andrew Nusca

Take a tour of some of the world's greatest urban infrastructure projects.

July 6, 2012 9:31am | By Tyler Falk

Amtrak continues to set ridership records, but budget cuts could threaten that trend.

2 | October 17, 2011 7:05pm | By Jenny Wilson

A bipartisan coalition advocates a long-term infrastructure plan that would invest $200 billion per year for next decade and supports an alternative funding model to foot the bill.

2 | August 8, 2011 11:49am | By Heather Clancy

Energy futurist Chris Nelder does the math to determine when we should transition energy to renewables and transportation to rail. The answer: about 40 years ago.

18 | November 2, 2011 5:40am | By Chris Nelder

English firm reveals sleek plans for new multi-purpose transit station and greenspace in northwestern Spain.

2 | December 28, 2011 6:00pm | By Beth Carter

Over land or over water, China is now home to the world's longest bridges.

18 | July 5, 2011 3:58am | By Tuan C. Nguyen

When it comes to growing a vibrant economy in a city or town, it turns out that size doesn't matter -- at least as much as transportation networks do.

2 | September 21, 2010 4:00am | By Christina Hernandez

Starting next year, those in possession of a Eurail pass will be able to visit Turkey at no extra cost.

October 27, 2012 11:29am | By Sarah Korones

The carbon footprint of the 2010 World Cup in South Africa will be eight times as large as that of Germany 2006, according to a new study.

1 | June 11, 2010 5:44pm | By Andrew Nusca

Siemens VP of sustainability Alison Taylor says sound environmental policy is in business' interest -- and a price for carbon is the place to start.

2 | June 6, 2010 7:33pm | By Andrew Nusca

SmartPlanet speaks with award-winning author Chris Turner about his observations of European environmental innovation and why the U.S. ought to catch up.

9 | April 30, 2012 5:33pm | By Christie Nicholson

If anyone asks where the spirit of invention has gone in the United States, look no further than its green technology start-ups. New businesses are cropping up in places like Allentown and...

April 19, 2012 9:05pm | By David Worthington

BEIJING -- China is already producing world leading innovation, you just have to look for it in some unexpected places, researchers say.

3 | February 13, 2012 5:26am | By Tom Hancock

Tea party activists are attempting to foil sustainability and green energy initiatives at the grassroots levels across the United States out of concern over U.N led world domination.

6 | February 6, 2012 6:55pm | By David Worthington

Cities struggled financially in 2011, but that doesn't mean big urban projects aren't on the way. Here are seven to keep your eye on in 2012.

1 | January 3, 2012 5:56am | By Tyler Falk

The industrial artistry in these photos of Siemens locomotive skeletons illustrates that steel is highly recyclable. That's good, because steelmaking emits copious carbon dioxide. Industry's on it.

November 23, 2011 3:45am | By Mark Halper