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 group of women slipped past security on Thursday to climb Western Europe's tallest building, the Shard in London. The six women are activists with Greenpeace, and they made the climb to protest Shell Oil's drilling in the Arctic.
Peru's president Ollanta Humala was elected in 2011 partly on a pledge to protect the environment. He's declared a state of emergency in the Pastaza RIver basin, and gave an Argentinian oil company operating there three months to clean up.
Former Canadian politician Ralph Klein has died at the age of 70. Klein was Premier of the province of Alberta for 14 years. He was a strong advocate for Alberta's oil sands. The World's Andrea Crossan remembers one of Canada's most colorful politicians.
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.