Infrastructure

Citywide metro rail service is set to begin operations today in Dubai. The system will start out with ten operational stations, but eventually include 47 stops along 70 kilometers of track.

As the push for renewable energy increases, The Nature Conservancy points out that renewables need a lot of land to work and could cause "energy sprawl."

Turnstiles are coming to the Los Angeles subway. Some say the move will help raise revenue for the city's transit authority, given its recent increases in ridership.

English Prime Minister Gordon Brown is confident that the 2012 Summer Olympics will bring a big economic benefit to London. But with costs rising beyond expectations, some are skeptical of the PM's prediction.

2010 will bring with it a series of huge international events -- the Winter Olympics in Vancouver, the World Cup in South Africa and the World Expo in Shanghai. Though seen as major opportunities for their hosts, these events can also be dangerous.

A new street greening project in North Portland that seeks to reduce stormwater runoff is fueling a debate between the area's young, eco-conscious businesses owners and older owners who are worried about interruption from the project.

Atlanta's Beltline project is one of the most ambitious transportation plans the city has seen in decades, but the downturn in the economy could wreak havoc on its progress.

Water restrictions on farms in the state have atrophied jobs in the fertile Central Valley, giving communities some of the highest rates of unemployment in the state. As jobs dry up, the need for aid is surpassing what's there to give.

A new report from the International Olympic Committee has evaluated the four host candidates for the 2016 Summer Olympics and found many places for improvement ahead of its October 2 decision.

Rapid urbanization and dense cities with inadequate infrastructure are being cited as leading causes in the spread of dengue fever throughout Southeast Asia and the rest of the world.

A new dedicated-lane bus rapid transit system has begun operations in Johannesburg, South Africa. The system is part of a nationwide plan to update public transit facilities as the country prepares to host the 2010 World Cup next June.

The application period has opened for federal stimulus grants to fund broadband Internet access projects in underserved areas. The response has been overwhelming.

New solar road technology could both absorb solar energy for electricity and provide a changeable LED grid that could respond to traffic conditions.

As California moves forward with its plans for a high speed rail network, one hub is coming into shape. This review looks at the new hub planned for the Southern California city of Anaheim.

Reducing traffic congestion can have big economic benefits for communities, according to a new study from the Reason Foundation.

Inspired by the revelation that Oakland, CA is stepping up their traffic and parking enforcement to make up a budget shortfall, Geoff Manaugh rethinks the entire process of how we fund our cities.

Significant interest and investment has descended on a plan to create vast solar power plants in the Sahara Desert to power Europe, but the challenges are great, says Reuters.

Farmers in the Monterey Bay area of California have been feeding their artichoke plants with recycled urban wastewater. And they've been doing it safely for years.