Both the US and China have been quickly working toward reducing the cost of solar energy. The US's solar energy quest has remained in the private sector, while China has taken a different approach.
The notion that the world will never run out of oil is misleading, writes Kurt Cobb. The real issue is about the rate of oil production.
The Iraq crisis threatens to disrupt the country's oil output, a scenario for which the world has to prepare, says US President Barack Obama. Saudi Arabia is starting to feel pressure to help with the global oil supply if Iraq's oil can't be accessed.
The World Cup 2014 could be the most-watched and most expensive tournament in soccer history. But, it could also be the most-energy consuming World Cup in history.
As Iraq continues to deal with the militant Sunni group ISIS, Kurdistan's leaders are using the situation for leverage against Iraq's government. Kurdistan's oil prospects, however, remain in question.
Tesla Motors' Elon Musk has opened up his company's patents, hoping automakers will start putting more electric cars on the road. But electric cars have a long road ahead before going mainstream.
Putting a price on carbon doesn't work because no one wants to pay the real cost of using fossil fuels. But funding R&D and demonstration projects that lower clean-energy costs will create real economic incentives to fight climate change.
ISIS attacks in Iraq have sent oil prices soaring and cast further doubt on long-term growth in Iraq's oil sector. As recently as February, oil production in Iraq was booming – a sign of economic progress that traders worry will be reversed.
Boulder, Colo., wants to take over generating its electric power from Xcel Energy it says the utility relies too much on fossil fuels. Xcel, a leader in renewables, has gone to court to stop the takeover.
Gas talks between Russia and Ukraine threaten to fall apart as European officials fail to broker an agreement between the two over a longstanding gas price dispute. Ultimately, Russia and Europe have too much to lose to let them fail.
Sunni militants attacked Mosul, Iraq's second largest city, while Iraq and other OPEC countries meet in Vienna. The world has come to take Iraqi oil for granted, Cunningham writes, and a significant loss of oil production would send prices skyrocketing.
Burning all the US's landfill waste would provide an extra 33 gigawatts – the equivalent of 33 large electricity generating plants, says Philipp Schmidt-Pathmann, founder of Zero Landfill Initiative. Could trash help power the future?
OPEC will meet on June 11 in Vienna with world oil demand rising and production slowing down. Six months ago, it seemed like the oil industry reached 'the age of abundance,' but why did it change?