ESA's Mars orbiters did not see latest Curiosity methane burst

In June, NASA's Curiosity rover reported the highest burst of methane recorded yet, but neither ESA's Mars Express nor the ExoMars Trace Gas Orbiter recorded any signs of the illusive gas, despite flying over the same location ...

Environmental groups call for speed limits on ships

Environmental groups Seas At Risk and Transport and Environment have announced the results of a study they commissioned to Reynolds Environmental Sustainability Consultants (RESC). A paper written by the team at RESC has ...

Climate impact of hydropower varies widely

Hydropower is broadly considered to be much more environmentally friendly than electricity generated from fossil fuels, and in many cases this is true. However, a new study reveals that the climate impact of hydropower facilities ...

Nitrous oxide emissions set to rise in the Pacific Ocean

The acidification of the Pacific Ocean in northern Japan is increasing the natural production rate of N2O, an ozone-depleting greenhouse gas. That's the finding of a study carried out jointly by scientists at EPFL, Tokyo ...

Carbon dioxide capture and use could become big business

Capturing carbon dioxide and turning it into commercial products, such as fuels or construction materials, could become a new global industry, according to a study by researchers from UCLA, the University of Oxford and five ...

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Gas

In physics, a gas is a state of matter, consisting of a collection of particles (molecules, atoms, ions, electrons, etc.) without a definite shape or volume that are in more or less random motion.

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