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103 posts · 52,021 views

After questing to come up with a single simple explanation of climate change in 2010, I continue to cover the latest climate-related research, asking researchers to help explain their work, covering how the science is done, and why.

Andy Extance
103 posts

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  • November 9, 2014
  • 12:43 PM
  • 134 views

Will anyone follow this route to low emission, low cost farming?

by Andy Extance in Simple Climate

Can we stop cheap, climate-friendly fertiliser via the STEP process being like transport by jetpack – a promise destined to remain unkept? ... Read more »

  • July 26, 2014
  • 05:59 AM
  • 458 views

Temperatures make our global warming opinions change like the weather

by Andy Extance in Simple Climate

Our experience of current warmth can override our scientific knowledge in driving beliefs about climate change, which is part of the reason we struggle to take the resulting risks seriously, underlines Columbia University’s Elke Weber. ... Read more »

  • July 19, 2014
  • 07:10 AM
  • 306 views

CO2 emissions drive heatwaves on despite warming ‘hiatus’

by Andy Extance in Simple Climate

Direct effects from greenhouse gases are playing a significant role in making hot Northern Hemisphere summers more common even as average temperature increases slow down, find Youichi Kamae from the National Institute for Environmental Studies in Japan and his colleagues. ... Read more »

  • July 12, 2014
  • 06:50 AM
  • 309 views

Could climate’s crop impact catch us with our plants down?

by Andy Extance in Simple Climate

Global warming has sharply increased the odds of serious problems because of declining harvests, find David Lobell from and Claudia Tebaldi from NCAR, and though that situation remains fairly unlikely, they advise countries to prepare for it. ... Read more »

Mora, C., Frazier, A., Longman, R., Dacks, R., Walton, M., Tong, E., Sanchez, J., Kaiser, L., Stender, Y., Anderson, J.... (2013) The projected timing of climate departure from recent variability. Nature, 502(7470), 183-187. DOI: 10.1038/nature12540  

Hawkins, E., Anderson, B., Diffenbaugh, N., Mahlstein, I., Betts, R., Hegerl, G., Joshi, M., Knutti, R., McNeall, D., Solomon, S.... (2014) Uncertainties in the timing of unprecedented climates. Nature, 511(7507). DOI: 10.1038/nature13523  

  • July 5, 2014
  • 07:12 AM
  • 289 views

Who can afford to hold back rising seas?

by Andy Extance in Simple Climate

Though using dikes to protect the world from rising sea levels will generally make economic sense, explains Jochen Hinkel from the Global Climate Forum, poor countries may not have the resources to do so.... Read more »

Hinkel, J., Lincke, D., Vafeidis, A., Perrette, M., Nicholls, R., Tol, R., Marzeion, B., Fettweis, X., Ionescu, C., & Levermann, A. (2014) Coastal flood damage and adaptation costs under 21st century sea-level rise. Proceedings of the National Academy of Sciences, 111(9), 3292-3297. DOI: 10.1073/pnas.1222469111  

  • July 1, 2014
  • 04:19 AM
  • 254 views

With climate change, uncertainty is no-one’s friend

by Andy Extance in Simple Climate

Heard people say climate science is uncertain? Research by psychologist Stephan Lewandowsky from the University of Bristol and his colleagues finds this is more, not less, reason to fight global warming. ... Read more »

  • June 28, 2014
  • 02:03 AM
  • 354 views

Shrinking dairy’s carbon hoofprint

by Andy Extance in Simple Climate

As the world’s appetite for dairy produce grows along with its population so too will emissions of the greenhouse gas methane from cow guts – but US dairy industry consultant Joanne Knapp and her team have found that measures including more intensive farming and ensuring healthy herds can offset a lot of this. ... Read more »

  • June 22, 2014
  • 07:04 AM
  • 422 views

Unique and unnatural: modern warming from an historical viewpoint

by Andy Extance in Simple Climate

Temperature patterns since the last ice age have helped scientists go from thinking humans can't possibly change our climate to the majority agreeing we are within a century. ... Read more »

  • June 14, 2014
  • 08:04 AM
  • 376 views

Heavier people mean weightier vehicle emissions

by Andy Extance in Simple Climate

In 2010 the American population collectively carried 3.6 billion kilograms of excess weight, and that creates extra greenhouse gases from the vehicles transporting them highlight Carnegie Mellon University’s Chris Hendrickson, Michelle Tom and Paul Fischbeck. ... Read more »

  • June 7, 2014
  • 07:01 AM
  • 355 views

Can changing how we build simply dismantle CO2 emissions?

by Andy Extance in Simple Climate

Using fewer steel beams and keeping buildings for their whole design life could cut construction emissions by up to 80%, suggest the University of Cambridge’s Muiris Moynihan and Julian Allwood... Read more »

Moynihan, M., & Allwood, J. (2014) Utilization of structural steel in buildings. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 470(2168), 20140170-20140170. DOI: 10.1098/rspa.2014.0170  

  • May 31, 2014
  • 08:24 AM
  • 341 views

IPCC: Millions of words on climate change are not enough

by Andy Extance in Simple Climate

A conference bringing together authors of the latest UN climate change report highlights the stark situation we’re in, and why we must overcome inflamed passions to establish trust and find a way forward. ... Read more »

  • May 24, 2014
  • 06:29 AM
  • 326 views

The urgent voice who refused to be silenced on climate danger

by Andy Extance in Simple Climate

Amid censorship controversy at NASA, arrests and providing evidence in legal cases fighting global warming, Jim Hansen revised his recommended level for CO2 in the air down to 350ppm, and continues his research today. ... Read more »

Hearty, P., Hollin, J., Neumann, A., O’Leary, M., & McCulloch, M. (2007) Global sea-level fluctuations during the Last Interglaciation (MIS 5e). Quaternary Science Reviews, 26(17-18), 2090-2112. DOI: 10.1016/j.quascirev.2007.06.019  

Hansen, J., Sato, M., Kharecha, P., Beerling, D., Berner, R., Masson-Delmotte, V., Pagani, M., Raymo, M., Royer, D., & Zachos, J. (2008) Target Atmospheric CO2: Where Should Humanity Aim?. The Open Atmospheric Science Journal, 2(1), 217-231. DOI: 10.2174/1874282300802010217  

James Hansen, Pushker Kharecha, Makiko Sato, Valerie Masson-Delmotte, Frank Ackerman, David J. Beerling, Paul J. Hearty, Ove Hoegh-Guldberg, Shi-Ling Hsu, Camille Parmesan, Johan Rockstrom, Eelco J. Rohling, Jeffrey Sachs, Pete Smith, Konrad Steffen, Lise. (2013) Assessing “Dangerous Climate Change”: Required Reduction of Carbon Emissions to Protect Young People, Future Generations and Nature . PLOS ONE. DOI: 10.1371/journal.pone.0081648  

  • May 17, 2014
  • 10:45 AM
  • 343 views

The witness who collided with government on climate

by Andy Extance in Simple Climate

Through the nineties and naughties Jim Hansen returned from a self-imposed media ban and clashed with contrarians and his own employer, NASA, to get across the message that global warming is dangerous. ... Read more »

  • May 10, 2014
  • 07:54 AM
  • 482 views

How lessons from space put the greenhouse effect on the front page

by Andy Extance in Simple Climate

Interest in atmospheres of outer planets took Jim Hansen from Iowa to NASA, where he came to realise that humans adding CO2 to Earth’s atmosphere would lead to an unprecedented warming, and brought that fact to the world’s attention.... Read more »

Somerville, R.C.J., P.H. Stone, M. Halem, J.E. Hansen, J.S. Hogan, L.M. Druyan, G. Russell, A.A. Lacis, W.J. Quirk, and J. Tenenbaum. (1974) The GISS model of the global atmosphere. J. Atmos. Sci. DOI: 10.1007/BFb0019776  

Hansen, J., Johnson, D., Lacis, A., Lebedeff, S., Lee, P., Rind, D., & Russell, G. (1981) Climate Impact of Increasing Atmospheric Carbon Dioxide. Science, 213(4511), 957-966. DOI: 10.1126/science.213.4511.957  

Rasool, S. (1983) On predicting calamities. Climatic Change, 5(2), 201-202. DOI: 10.1007/BF00141271  

  • May 3, 2014
  • 04:01 AM
  • 1,034 views

Climate change-boosted disease could endanger China’s food supply

by Andy Extance in Simple Climate

Bruce Fitt from the University of Hertfordshire in Hatfield, UK, and his teammates forecast that human driven shifts in flowering times, rain and temperature will mean fusarium ear blight ruins even more wheat in China, where they use it in staples such as noodles and mantou buns.... Read more »

Zhang, X., Halder, J., White, R., Hughes, D., Ye, Z., Wang, C., Xu, R., Gan, B., & Fitt, B. (2014) Climate change increases risk of fusarium ear blight on wheat in central China. Annals of Applied Biology, 164(3), 384-395. DOI: 10.1111/aab.12107  

  • April 26, 2014
  • 05:33 AM
  • 492 views

Results show quick CO2 ‘fix’ feasibility – but its future rests in government hands

by Andy Extance in Simple Climate

To fight climate change CO2 can be locked up in rock, but for it and other carbon capture and storage technology viable will take much higher carbon prices, stress Juerg Matter from the University of Southampton and his teammates from the CarbFix project. ... Read more »

Matter, J.; Stute, M.; Hall, J. L.; Mesfin, K. G.; Gislason, S. R.; Oelkers, E. H.; Sigfússon, B.; Gunnarsson, I.; Aradottir, E. S.; Alfredsson, H. A.; Gunnlaugsson, E.; Broecker, W. S. (2013) Quantification of CO2-Fluid-Rock Reactions Using Reactive and Non-Reactive Tracers. American Geophysical Union, Fall Meeting 2013, abstract #V41A-2753. info:/

Gislason, S., & Oelkers, E. (2014) Carbon Storage in Basalt. Science, 344(6182), 373-374. DOI: 10.1126/science.1250828  

  • April 19, 2014
  • 05:34 AM
  • 368 views

Dump fossil fuels for the health of our hearts

by Andy Extance in Simple Climate

Cleaning up air pollution will provide immediate health gains as well as longer-term climate benefits, highlights New York University's George Thurston... Read more »

Thurston, G. (2013) Mitigation policy: Health co-benefits. Nature Climate Change, 3(10), 863-864. DOI: 10.1038/nclimate2013  

Rice, M., Thurston, G., Balmes, J., & Pinkerton, K. (2014) Climate Change. A Global Threat to Cardiopulmonary Health. American Journal of Respiratory and Critical Care Medicine, 189(5), 512-519. DOI: 10.1164/rccm.201310-1924PP  

  • April 12, 2014
  • 05:59 AM
  • 340 views

Detailed regional data reduce warming-drought link doubts

by Andy Extance in Simple Climate

In Portugal and Spain climate change has already driven over 2°C of warming in summer, and new findings from Sergio Vicente-Serrano from the Pyrenean Institute of Ecology are dispelling uncertainties that the temperatures are making drought more severe and widespread. ... Read more »

Vicente-Serrano, S., Lopez-Moreno, J., Beguería, S., Lorenzo-Lacruz, J., Sanchez-Lorenzo, A., García-Ruiz, J., Azorin-Molina, C., Morán-Tejeda, E., Revuelto, J., Trigo, R.... (2014) Evidence of increasing drought severity caused by temperature rise in southern Europe. Environmental Research Letters, 9(4), 44001. DOI: 10.1088/1748-9326/9/4/044001  

  • April 5, 2014
  • 03:07 AM
  • 374 views

Weather extremes take twin crop and disease toll

by Andy Extance in Simple Climate

Extreme rain has boosted harvests and droughts have harmed them, but both are linked to outbreaks of deadly viruses show NASA's Assaf Anyamba and his colleagues.... Read more »

  • March 29, 2014
  • 07:31 AM
  • 383 views

Climate sensitivity wrangles don’t change the big picture on emissions

by Andy Extance in Simple Climate

Modelling studies from Joeri Rogelj at the Swiss Federal Institute of Technology, ETH Zurich show we still need to release fewer greenhouse gases even if the world does warm more slowly in response to them than today’s best estimates suggest. ... Read more »

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