October 13, 2017
Limestone reservoirs boost volcanic carbon emissions
Volcanoes have been the main source of atmospheric carbon over Earth’s history, with some types of eruptions injecting more carbon into the …
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Emissions
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August 10, 2017
Earthquakes make volcanoes more — and less — gassy
Triggering of volcanic emissions by earthquakes has been observed since antiquity. The Roman naturalist and philosopher Pliny the Elder proposed …
November 15, 2016
Smokier U.S. West as climate changes
Extended wildfire seasons and larger and more frequent burns will likely be the consequence of the hotter and drier conditions expected to result …
November 12, 2015
No laughing matter: Ocean nitrous oxide emissions greater than thought
Nitrous oxide is a potent greenhouse gas and, since the banning of chlorofluorocarbons in 1987, it has become the main driver of ozone loss from …
November 2, 2015
Comment: Pipe Dreams: What have we learned from the Volkswagen Clean-Diesel scandal?
In the last couple of years, we both considered buying a Volkswagen. The company’s “clean-diesel” cars offered great fuel economy and were fun to …
March 9, 2015
One-two punch of past warming may hold lessons
Geologists are fond of the saying, “The past is key to the future.” Unfortunately, the past has been a poor guide when it comes to understanding …
November 4, 2014
Carbon tet still offensive to ozone layer
Earth’s ultraviolet light-shielding ozone layer is recovering, according to a report released in September by the World Meteorological …
May 28, 2013
Removing predators increases carbon emissions
Habitat loss, overfishing and invasive species can damage ecosystems, but the loss of predators in particular may have worse consequences than …
May 21, 2012
Carbon and the city: Tracking emissions from megacities
Sometime in the first century A.D., Rome’s population passed 1 million. It took more than 18 centuries for a city to surpass the 10 million mark, …
January 5, 2012
Where the rubber meets the road
Lessons Learned From a Cross-country Road Trip in a Natural Gas Vehicle In what seems like a replay of a bad 1970s movie — with high oil prices, …