New virtual helper can do more than iPhone's Siri

January 29, 2012 7:47am | By Amy Kraft

The home of the Fourthmeal tries to reinvent the first meal

January 29, 2012 6:29am | By Amy Kraft

MELBOURNE -- The currently defunct Southern Star Observation Wheel in Melbourne has been criticized as an engineering and commercial failure. Will 2012 be the year it finally gets back on track?

January 29, 2012 4:05am | By Lieu Thi Pham

HONG KONG -- Advocates hope they are just the first step to combat light pollution.

January 29, 2012 1:41am | By Vanessa Ko

Can you design a program to search news sites and social media for "breaking events and emerging threats," filter the results, and geospatially map them? The FBI wants you.

January 28, 2012 1:02pm | By Hannah Waters

Companies are starting to invest in providing affordable solar-powered LED lights in developing countries.

1 | January 28, 2012 11:35am | By Hannah Waters

Nestle launches new tool to aid Fido's growing waistline

1 | January 28, 2012 10:04am | By Amy Kraft

DELHI -- Indians inhale the most toxic air, according to a study by Columbia and Yale Universities, which ranks 132 nations on an Environmental Performance Index.

January 28, 2012 9:55am | By Betwa Sharma

Leaked documents from the EU rank the carbon emissions of some biofuels -- including top crops palm, soybean, and rapeseed oil -- on par with oil from tar sands.

January 28, 2012 9:41am | By Hannah Waters

BERLIN -- Despite the eurozone economic crisis, Germany is posting record figures yet again, this time in federal and state tax revenue.

January 28, 2012 8:01am | By Shannon Smith

Company turns weapons into wearable art to reduce guns in African countries.

January 28, 2012 6:48am | By Amy Kraft

MEXICO CITY -- "Solar trees" have sprouted in Mexico City's historic district.

January 28, 2012 5:00am | By Lauren Villagran

Qiagen's do-it-yourself kit that lets women take their own cell samples to be tested for DNA of the human papillomavirus (HPV), better enabling women in poorer countries.

January 27, 2012 9:04pm | By Janet Fang

The Helix Bridge in Singapore gives a new, scientific, look to the Marina Bay walkway.

January 27, 2012 12:00pm | By Beth Carter

The Environmental Protection Agency's new, stricter air and mercury rules have started to trigger coal power plant closures.

1 | January 27, 2012 11:51am | By Kirsten Korosec

One U.S. city that's using social media and online technologies to build a better transportation network won this year's Sustainable Transport Award.

January 27, 2012 11:13am | By Tyler Falk

ZeaChem landed conditional approval for a $232.5 million loan guarantee, making this the USDA's second major biofuels investment this month.

January 27, 2012 10:54am | By Kirsten Korosec

Sure you're familiar with megacities like Tokyo, New York City, or Shanghai. But are you familiar with Chengdu, Faridabad, Surat, or Beihai? They're some of the many cities leading the way toward...

1 | January 27, 2012 8:46am | By Tyler Falk

Once again, petroleum money is backing a huge solar power project, in this ambitious 2-gigawatt scheme. But are cracks appearing in the grand Desertec plan?

January 27, 2012 6:34am | By Mark Halper

Data shows that throughout the heavy traffic regions of the U.S., people tended to be heavier.

January 27, 2012 6:30am | By Tuan C. Nguyen