News tagged with carbon dioxide

Clean power from waste heat

Siemens has developed a technology to use waste heat, which previously had gone unused, to generate electricity. The solution employs silicone oils, which have a lower enthalpy of vaporization than water, ...

Jun 05, 2014
5 / 5 (7) 1

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

The tiniest greenhouse gas emitters

Climate feedbacks from decomposition by soil microbes are one of the biggest uncertainties facing climate modelers. A new study from the International Institute for Applied Systems Analysis (IIASA) and the ...

Apr 07, 2014
3.9 / 5 (8) 0

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
3.4 / 5 (9) 0