Columns

President Obama's promise to attack climate change is likely to light a fire under federal agencies slow to comply with a mandate to cut energy use - good news for companies specializing in power-saving systems. 

President Obama will renew his push to spur investment in renewable energy projects that create jobs as a key part of his second-term strategy for tackling climate change. 

German car maker Volkswagen AG has powered up a giant 9.5 megawatt solar system that will provide about 12.5 percent of the electricity used at its Chattanooga, Tennessee, manufacturing plant.

PSA Peugeot Citroen on Tuesday unveiled a hybrid vehicle concept combining a conventional engine with compressed nitrogen propulsion which it says would cut in half the cost of cutting emissions compared to current hybrids. 

The world must spend an extra $700 billion a year to curb reliance on fossil fuels blamed for worsening floods and rising sea levels, a study by the World Economic Forum shows.

The world must spend an extra $700 billion a year to curb reliance on fossil fuels blamed for worsening floods and rising sea levels, a study by the World Economic Forum shows.

The European Commission will seek to prosecute nations disregarding a new EU law requiring use of an environmentally friendly coolant in vehicle air-conditioning. 

The LED lighting industry is set to dominate the global market more than a century after its discovery, benefiting from a widespread ban of conventional incandescent bulbs. 

The LED lighting industry is set to dominate the global market more than a century after its discovery, benefiting from a widespread ban of conventional incandescent bulbs. 

New York Governor Andrew Cuomo is weighing the economic benefits of fracking against the environmental risks that could unlock a vast domestic energy supply but also one that environmentalists say pollutes groundwater and the air.

New York Governor Andrew Cuomo is weighing the economic benefits of fracking against the environmental risks that could unlock a vast domestic energy supply but also one that environmentalists say pollutes groundwater and the air.

Solar stocks kicked off 2013 with a sharp rally, prompted by news that a company controlled by Warren Buffett's Berkshire Hathaway Inc would pay up to $2.5 billion for two SunPower solar projects in California.  

A study published in the journal Nature Climate Change finds the effort to produce more biofuels could worsen a kind of air pollution causing 1,400 premature deaths a year in Europe by 2020.

France seeks to rescue the solar power industry, which lost about 15,000 jobs in the last two years. In 2012, the industry employed 18,000 people, down from 32,500 in 2010.

Thanks to a tax credit extension from Congress, wind companies say tens of thousands of domestic jobs and clean energy projects will ramp up in 2013.

An agreement from nearly 200 nations to curb greenhouse gas emissions from 2020 will cost more than taking action now to combat climate chance, according to research published Wednesday. 

An agreement from nearly 200 nations to curb greenhouse gas emissions from 2020 will cost more than taking action now to combat climate chance, according to research published Wednesday. 

The World Trade Organization said Wednesday a Canadian scheme to pay green energy companies more for their electricity provided they use local technology broke WTO rules.

Britain on Tuesday set in motion a five-year plan to boost certainty for investors in solar and biomass needed to achieve 2020 green energy targets. 

After the Newark city council voted to convert acres of land owned by chemical companies into development, city planners see an opportunity to create a "post-suburban" community but others see the move to sustainability as a property rights threat.