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.
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.
Antarctica has long been considered a last redoubt of cold in a warming globe. But new science suggests that a key part is warming up fast. Sam Eaton reports the finding could cause scientists to rethink their sea level projections for later this century.
The southern Pacific is home to someof the last healthy tuna populations, but they're coming under intense pressure from international fishing fleets. Shannon Service reports from Palau on the tiny country's efforts to protect its tuna populations from overfishing.