Apple Inc plans to power its main US data center entirely with renewable energy by the end of this year, taking steps to address longstanding environmental concerns about the rapid expansion of high-consuming computer server farms.

Trade tensions between the U.S. and China are likely to ratchet up after the Commerce Department found several Chinese solar-panel companies guilty of dumping and slapped 31 percent tariffs on their products. Within the trade dispute is a larger debate about the best way to accelerate the growth of clean energy.

Regarded as a model of how to spend oil and gas wealth wisely, Norway has stashed away surplus revenues from exports while hydropower caters for the bulk of its domestic electricity needs. But Denmark has also found its own path to energy pragmatism, supplementing its relatively few oil rigs with wind turbines and a deep commitment to energy saving.

President Dilma Rousseff is facing pressure to veto a bill that would open vast protected areas of forests to ranching and farming, potentially reversing Brazil’s major gains in slowing Amazon deforestation.

With current battery systems reaching their performance limits, researchers are scrutinizing every component of lithium-ion cells in order to develop energy storage mechanisms that can make electric vehicles better competitors to fossil-fueled engines.

Facing new scrutiny from Green Bay city officials, a company affiliated with the Oneida Tribe of Indians has unveiled revised plans for its waste-to-energy gasification facility, now using the name Green Bay Renewable Energy for the project.

The energy consumption of China's apartment buildings is twice or triple the energy use of Western homes, according to a recent report. Aging, ill-designed heating systems and poor insulation are mainly to blame – flaws that bode ill for China's campaign to cut carbon emissions and meet green-growth targets.

Utility companies and their ratepayers will once again be asked to help shoulder the solar industry, under a measure that cleared a state senate panel. The bill would require utilities to devote a rising percentage of their power production to solar — from 1.83 percent next year to 3.73 percent by 2028.

Britain's climate policies can help shield the economy from oil and gas price shocks triggered by external factors such as the Arab Spring, an analysis commissioned by the government showed on Friday.

The Senate Energy and Natural Resources Committee on Thursday ostensibly met over Chairman Jeff Bingaman’s clean energy standard. But it also shed light on the future agenda of the panel after the New Mexico Democrat retires this year.

Oklahoma Republican Sen. James Inhofe presented the new Congressional Research Service report on the Senate Floor Thursday to make the point that the Obama administration has been focused on “green” defense projects to the detriment of the military.

It appears that Republicans have a favorite solar energy company - and oddly enough, it has a lot in common with Solyndra.

Drought, poor soil and erratic rainy seasons are problems that affect African farmers daily. But scientists are hoping to change that, with the help of cassava roots that seem able to withstand climate change.

Attempts to get the public involved in science is creating a great deal of valuable scientific data.

Drivers of electric vehicles face challenges as they hunt charging stations or designated parking. A lack of uniformity among signs may ultimately limit the usability of the public charging network, according to a new report from Ecotality.

Some Americans shake in fear of earthquakes and polluted ground water potentially caused by hydrolic fracturing, or fracking. Others believe natural gas can provide a less-polluting alternative to other fossil fuels like oil and coal.

Danny Kluthe’s not too worried about the high price of diesel fuel. After all, he gets 71 miles per gallon. But his pickup’s not running on diesel. It’s running on biomethane generated from his 8,000-head hog operation.

The palm oil industry has a lobbying firm to battle the Environmental Protection Agency’s preliminary finding that palm-based biofuels don’t meet the greenhouse gas standards of the federal renewable auto fuels mandate.

The Alberta government acknowledges it likely missed its 2010 greenhouse gas emissions reduction goal and is now revamping the province’s overall climate-change strategy to meet future targets.

Toasty temperatures spell bad news for wildfires in the West.