Methane emissions spike: Is there one main culprit?

The level of methane in the atmosphere has risen dramatically in the last decade—and climate scientists are worried. Although there's still roughly 60 times less of it floating around than carbon dioxide, the gas heats ...

New contaminants found in oil and gas wastewater

Duke University scientists have discovered high levels of two potentially hazardous contaminants, ammonium and iodide, in wastewater being discharged or spilled into streams and rivers from oil and gas operations in Pennsylvania ...

Stanford researchers say 'peak oil' concerns should ease

Fears of depleting the Earth's supply of oil are unwarranted, according to new research, which concludes that the demand for oil – as opposed to the supply – will reach its own peak and then decline.

Estonia eager to teach world about oil shale

Home to the creators of Skype and the first country to use online voting, Estonia relishes its image as a technological pioneer. But the tiny East European country's most far-reaching economic achievement could come from ...

Seeding a new kind of concrete

Sunflower seed husks, a huge waste product of the vegetable oil and food industry, could be used as an environmentally friendly filler, or aggregate, for concrete according to Turkish researchers writing in the International ...

Wastewater injection spurred biggest earthquake yet, study finds

A new study in the journal Geology is the latest to tie a string of unusual earthquakes, in this case, in central Oklahoma, to the injection of wastewater deep underground. Researchers now say that the magnitude 5.7 earthquake ...

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