Open Architecture Network

The recession has battered investors, but new data suggest that the clean technology sector was largely immune from the global economic collapse.

Two new studies suggest that while more households are buying energy-efficient refrigerators, the old units remain in use, adding to overall energy consumption.

When office workers resort to space heaters to keep warm, overall efficiency in the building is undone.

Trading was halted on two exchanges after it was revealed that some credits were being recycled, or sold to more than one party.

Though more expensive than conventional solar cells, concentrating photovoltaic solar power uses a fraction of the silicon needed with conventional photovoltaics.

Alcoa, the aluminum giant, is testing a new type of solar technology that it said will lower the cost of renewable energy.

After a two-year review, regulators recommended that the state's first new big solar power plant in nearly two decades be approved.

The British Advertising Standards Authority ruled that the government's posters on climate change should have been "phrased more tentatively."

A recent study out of the University of Toronto suggests that people who give themselves credit for buying green products may feel entitled to behave badly later on.

The project aims to provide electricity to Europe and North Africa with a large solar installation in the Sahara.

With ocean-going trade slackening amid the global recession, shipping companies and shipyard operators in Europe are finding the offshore wind industry to be a welcome ally in weathering the bad times.

Kenya's Lake Turkana Wind Power project secures much needed financing from a variety of institutional investors.

Questions remain, however, about whether or not the bags, which are made from corn, will ever make it to the compost heap.

Alberta's Conservative government announced last week that it would ease up on royalties demanded of energy producers in the province.

Renters are usually out of luck when it comes to solar power, but a new solution is springing up, in which utilities build large arrays and sell shares to customers.

Some groups are concerned that smart meters could be exploited by online marketers, government agencies and others.

A consortium of Chinese and American renewable energy companies say they have chosen Nevada as the site of a 320,000-square-foot wind turbine manufacturing and assembly plant.

The ArmorLite bulb won't release mercury when broken, but is mercury exposure really a problem with C.F.L. bulbs? Not everyone agrees.

Air pollution in California cost federal, state and private health insurers $193 million in hospital costs, according to a RAND Corporation study released last week.

A recent study by an energy efficiency nonprofit found that more than 90 percent of caulking and insulation is made in the United States.