Tag Archives: carbon dioxide

Yale-led team finds CO2 levels plunged as Antarctica froze

A Yale University-led research team has found evidence that carbon dioxide levels in Earth’s atmosphere plunged prior to and during the initial icing of Antarctica, about 34 million years ago. The new findings provide further evidence of atmospheric carbon dioxide’s role as a major trigger of global climate change. “CO2 is tracking global cooling at […] … learn more→

\’Inexhaustible\’ source of hydrogen may be unlocked by salt water

A grain of salt or two may be all that microbial electrolysis cells need to produce hydrogen from wastewater or organic byproducts, without adding carbon dioxide to the atmosphere or using grid electricity, according to Penn State engineers. \”This system could produce hydrogen anyplace that there is wastewater near sea water,\” said Bruce E. Logan, […] … learn more→