News tagged with carbon dioxide

US justices rap agency, but uphold warming rules

The U.S. Supreme Court largely left intact Monday the Obama administration's only existing program to limit power plant and factory emissions of the gases blamed for global warming. But a divided court also ...

Jun 23, 2014
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Arm swinging reduces the metabolic cost of running

Have you ever tried running without swinging your arms? It's not easy. Each step jars and it feels like hard work: but is it? Christopher Arellano, from Brown University, USA, says, 'We know from the literature ...

Jul 18, 2014
4 / 5 (8) 1

Hotter, weirder: How climate has changed Earth

In the more than two decades since world leaders first got together to try to solve global warming, life on Earth has changed, not just the climate. It's gotten hotter, more polluted with heat-trapping gases, ...

Dec 02, 2014
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A closer look at carbon dioxide

A new simulation of carbon dioxide in Earth's atmosphere provides an ultra-high-resolution look at how the key greenhouse gas moves around the globe and fluctuates in volume throughout the year. These three close-up views ...

Nov 18, 2014
2.8 / 5 (11) 2

Fly ash builds green cement mixture

An eco-friendly cement, known as Alkali Pozzolan Cement (APC), containing a mixture of fly ash, dry lime powder and sodium sulphate under specific scaffolding conditions has been developed by Curtin University ...

Sep 17, 2014
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