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5 August 2019
Geoengineering versus a volcano
Major volcanic eruptions spew ash particles into the atmosphere, which reflect some of the Sun’s radiation back into space and cool the planet. But could this effect be intentionally recreated to fight climate change? A new paper in the AGU journal Geophysical Research Letters investigates.
6 November 2017
New approach to geoengineering simulations is significant step forward
Using a sophisticated computer model, scientists have demonstrated for the first time that a new research approach to geoengineering could potentially be used to limit Earth’s warming to a specific target while reducing some of the risks and concerns identified in past studies, including uneven cooling of the globe.
24 July 2017
Could “cocktail geoengineering” save the climate?
Geoengineering is a catch-all term that refers to various theoretical ideas for altering Earth’s energy balance to combat climate change. New research from an international team of atmospheric scientists published by Geophysical Research Lettersinvestigates for the first time the possibility of using a “cocktail” of geoengineering tools to reduce changes in both temperature and precipitation caused by atmospheric greenhouse gases. Carbon dioxide emissions from the burning of coal, oil, and gas …
17 December 2013
Former German mining site becomes laboratory for carbon dioxide storage research
A local legend circulates in the Upper Neckar Valley in southeast Germany. It tells of a worker, a healthy, strong young man, who lay down one day beside the railroad tracks for a midday nap. The man never woke up, prompting speculation about his death that endures until today.
27 September 2013
The National Academies Contemplate Geoengineering
This month at the National Academy of Sciences in Washington D.C., a 16-person ad hoc committee of scientists held its second meeting to discuss the practicality of various methods of purposefully changing Earth’s environment to combat climate change, sometimes called climate engineering or geoengineering. Convened purely for investigation and discussion rather than making recommendations, the group cast a wide net for ideas, even those they might ultimately reject as made- for-Hollywood only.
GeoSpace is a blog on Earth and space science, managed by AGU’s Public Information staff. The blog features posts by AGU writers and guest contributors on all sorts of relevant science topics, but with a focus on new research and geo and space sciences-related stories that are currently in the news.