Caldeira Lab, Carnegie Institution for Science, Dept. of Global Ecology

09/10/2013

Will new pH sensors really substantively help solve the ocean acidification problem?

http://www.scientificamerican.com/article.cfm?id=ocean-ph-acid-x-prize

Faster cheaper easier better measurements are always good, but it is not clear how much further documenting the problem increases the probability of solving the problem.

As the world's oceans turn more acidic, a cheaper and more accurate sensor would be useful—inspiring a new $1-million award

09/09/2013

Washington Post story on solar geoengineering: http://www.washingtonpost.com/national/health-science/scientists-studying-solar-radiation-management-as-a-way-to-cool-planet/2013/09/08/cfb9def8-170c-11e3-be6e-dc6ae8a5b3a8_story.html

After Mount Pinatubo erupted, a cloud of sulfur particles deflected enough sunlight to cool Earth.

09/08/2013

Will we survive our world-changing technologies. Panel discussion at the Library of Congress in Washington DC, on Thursday 12 Sep 2013.

http://www.loc.gov/loc/kluge/news/nasa-program-2013.html

Baruch S. Blumberg NASA/Library of Congress Astrobiology Symposium: The Longevity of Human Civilization (September 12, 2013). Will the longevity of human civilization on Earth be imperiled, or enhanced, by our own world-changing technologies? Will our technological abilities threaten our survival as...

09/08/2013

Will Solar Geoengineering Research Increase or Decrease the Risk of Climate Change? Panel discussion this Tuesday evening, 10 Sep 2013, in Washington DC. http://carnegiescience.edu/events/lectures/blocking_sun_will_solar_geoengineering_research_increase_or_decrease_risk_climate_ch

Some argue that such geoengineering research is needed to understand whether the risks of climate change can be reduced in this way.

09/08/2013

New paper:

MacCracken, M. C., Shin, H.-J., Caldeira, K., and Ban-Weiss, G. A.: Climate response to imposed solar radiation reductions in high latitudes, Earth Syst. Dynam., 4, 301-315, doi:10.5194/esd-4-301-2013, 2013.

http://www.earth-syst-dynam.net/4/301/2013/esd-4-301-2013.html

09/04/2013

Is the CIA on its Way to Hacking the Sky? Story in The American Prospect by Jason Mark http://prospect.org/article/cia-its-way-hacking-sky

Human manipulation of the climate might be the quickest way to combat global warming. It's also the most frightening.

09/21/2011

How have wars and epidemics influenced historical atmospheric CO2 content? Carnegie scientist Dr. Julia Pongratz discusses:
http://www.youtube.com/user/CarnegieGlobEcology /u/0/MLwUkntTdSA