Natural deep-sea batteries

Exploring the deep oceans presents huge technical challenges, many of which could be overcome if there were some cheap and efficient way to deliver power to machines while at depth. To tackle this problem, a collaborative ...

Climate report struggles with temperature quirks (Update)

Scientists working on a landmark U.N. report on climate change are struggling over how to address a wrinkle in the meteorological data that has given ammunition to global-warming skeptics: The heating of Earth's surface appears ...

Working the night shift on the moon

There's never a cloudy day on the moon. It's flooded with sunshine 24/7 during its two-week-long daytime, so it makes sense to use solar energy to power future lunar rovers and other devices. But each lunar day is followed ...

Solar plane aims for new world distance record

Solar Impulse, the first aircraft that can fly day and night fueled entirely by energy from the sun, embarked Wednesday on the second leg of its historic journey across the American continent.

Goldman Sachs to invest in Japan green energy

US investment banking giant Goldman Sachs said Monday it will start investing in Japanese renewable energy projects, with a reported $2.9 billion outlay over the next five years.

Project aims to track big city carbon footprints

Every time Los Angeles exhales, odd-looking gadgets anchored in the mountains above the city trace the invisible puffs of carbon dioxide, methane and other greenhouse gases that waft skyward.

Catalysts that produce 'green' fuel

At the International School for Advanced Studies of Trieste, researchers are studying a way to economically produce a molecule that imitates (and improves) the photosynthesis of plants. It will be used to create solar cells ...

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