Solar Power

Last month saw the debut of one of the world's longest footbridges, which also happens to be 100% solar-powered. 36,500 people are projected to walk across the bridge each week.

Bologna, Italy is getting a new monorail to connect the city with the airport, powered by photovoltaic panels built into the infrastructure.

The White House is pushing for more solar power projects nationwide, but environmental concerns are stalling the progress of plans to build solar projects in the California desert.

Solar-powered trash compactors, while not cheap, pay for themselves relatively quickly. With state and city budgets more liquid thanks to stimulus money, municipalities are snapping them up.

In Brighton, Colorado, solar panels on one person's farm could be built by an investment from another local, creating the first solar co-operative in the U.S.

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.

San Francisco has begun installing 1,200 new bus shelters that incorporate a solar array on the roof to power an LED display showing bus arrival times.

This week, eSolar debuted the first solar thermal power tower in the U.S., which they say is a step forward in technology and affordability.

Two inventors explain devices that would allow energy to be harvested along highways and from the highways themselves.

Environment California has released a study that shows significant growth in the state's solar power construction, and ranks cities by how many solar roofs they have. San Diego is tops.

Expanding America's power grid to connect wind and solar power plants to the urban areas they fuel will require thousands of miles of transmission lines. Most of it will be built in rural areas where locals are not likely to be very welcoming.

This profile from Miller-McCune looks at a Berkeley, California official who made use of a 100-year old funding mechanism to take the city solar.

Architect Michael Palwyn is designing sustainable architecture that combines solar power and seawater into an ultra-efficient loop of resource conservation.

President Obama plans to spend billions on building an interstate highway-style system for energy.

Amsterdam has taken its smart grid live, installing solar panels and 300 electric car recharging stations throughout the city.

Italian car designer Pininfarina has announced that it will release a fully-electric, partially solar-powered car in Europe in 2010.

A manufacturer of solar systems has planned to develop the country's largest urban solar power plant at a brownfield in Chicago.

An Arizona company is proposing a solar-powered elevated train running between Tucson and Phoenix.

Clean energy is a major component of the Obama Administration's plans for an upgraded electricity grid. But with variable outputs, clean energy generation from solar and wind will need to be augmented, according to this piece from NPR.