Making biodiesel with green solvents

Green solvents for making biodiesel would reduce the environmental impact of such fuels still further. Writing in the World Review of Science, Technology and Sustainable Development, a team from India discussed the potential ...

3-D reconstructions of individual nanoparticles

What do you see in the picture above? Merely a precisely-drawn three-dimensional picture of nanoparticles? Far more than that, nanotechnologists will say, due to a new study published in the journal Science. Whether a material ...

Ammonia for fuel cells

Fuel cells are pollution-free power sources that convert chemical energy to electricity with high efficiency and zero emissions. Fuel cell cars, trucks, and buses would allow people to travel long distances with convenient ...

US military is a bigger polluter than as many as 140 countries

The US military's carbon bootprint is enormous. Like corporate supply chains, it relies upon an extensive global network of container ships, trucks and cargo planes to supply its operations with everything from bombs to humanitarian ...

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