Ecuador has pulled the plug on a groundbreaking plan to have outside donors pay to protect an oil-rich swath of the Amazon. The plan failed to draw anywhere near the financial support the country had hoped.
A new study links a 2011 earthquake in Oklahoma to wells containing waste water from oil and gas extraction.
As the UK gears up to start a gas-fracking industry, government and industry say they're determined to avoid the mistakes made in the US. But observers differ as to whether the country is better prepared for the risks.
Two years after the Fukushima nuclear disaster, renewable energy is surging in Japan. But economic pressures are also helping revive support for nuclear power, leading to an internal tug-of-war over Japan's energy future.
Hugo Chavez had mixed success in exporting his politics and methods to other Latin American countries but he's still seen as a seminal figure in the history of the region.
The growing demand for Africa's natural resources has meant work for experienced energy industry experts, including many from the US and Canada.
A recent Swiss court ruling has released a farmer from an obligation dating back 655 years to pay for an "eternal flame" in a town in the Swiss canton of Glarus.
As millions of more Chinese enter the middle class, many are demanding a key passport to that lifestyle: a car. Millions throughout the developing world have the same demand. The world can't sustain this. One possible solution: car sharing.
For the Geo Quiz, we are looking for a sea that borders Britain, Holland and Denmark and has long been the site of important European shipping lanes as well as a major fishery.
Coal use is at 40-year lows here in the US but it's another story in Europe, where it's on the rise. And as Gerry Hadden reports from Spain, that means trouble for the EU's commitment to cutting CO2 emissions to combat global climate change.
As international climate negotiators meet in Doha, Qatar, scientists are issuing a stark warning of possibly huge emissions of the greenhouse gas methane from the warming Arctic.