Created: 12 September 2007 | Watched by: 12 people | Comments: 0 comments

• Add to my
  bookmarks

  Add comment

  1 group
  2 people
  

  New Scientist Environment - Climate change: A guide for the perplexed earth 

  http://environment.newscientist.com/channel/earth/dn11462

  By Michael Thomas Wed Aug 08 03:43:47 BST 2007 Interesting article. I have been provided a couple of the research studies backing the IPCC study and it is curious how the scientist have covered their ... behinds: 1.. They state that the models they used were specified by the IPCC and were not of their own. The IPCC for these studies (through its Program for Climate Model Diagnosis and Intercomparison) specified exactly what models the scientists would use in their analysis of atmospheric convection and circulation. 2. The scientists were told to keep radiative forcings (the radiation coming into and leaving our system) and other key factors constant throughout much of their anlalysis which is bogus in that atmospheric and oceanic dynamics will change with changing environs. Some astrophysicists have reported that the biggest cause of global warming has been due to increased solar radiation and the planet is warming as a result - the requirement in these studies of constant radiative forc   [More...] [Less...]

  First added: 14 September 2007, by: David Wiblin  [Report as spam]

  Average rating (1 rating):

  1 2 3 4 5

  Tags:  climate change, new scientist, environment, global warming

• Add to my
  bookmarks

  Add comment

  1 group
  2 people
  

  Green skies: Engineer's work may reduce jet travel's role in global warming 

  http://www.princeton.edu/main/news/archive/S18/96/92S56/index.xml?section=newsreleases

  News Releases All News Releases | « Previous News Release | Next News Release » For immediate release: September 13, 2007 Media contact: Hilary Parker, (609) 258-4597, haparker@princeton.edu Green ... skies: Engineer's work may reduce jet travel's role in global warming Princeton Professor of Mechanical and Aerospace Engineering Fred Dryer has a lofty goal: end the nation's reliance on oil for jet travel. With potentially major benefits for energy security and the environment riding upon his success, Dryer is advancing the fundamental knowledge of jet fuels while developing practical, innovative energy sources. "In order to make alternative jet fuel sources feasible, they need to be compatible with petroleum and produce similar combustion performance," Dryer said. "This will only be possible if we fully understand how both petroleum and alternative fuels burn and design engines based on this fundamental knowledge." Backed by government and industry grants, Dryer is leading two   [More...] [Less...]

  First added: 14 September 2007, by: Tim Woodall  [Report as spam]

  Average rating (2 ratings):

  1 2 3 4 5

  Tags:  aerospace engineering, global warming, jet fuel, climate change, engineer , goals, offsetting, reduction   [More...] [Less...]

• Add to my
  bookmarks

  Add comment

  1 group
  3 people
  

  Nanotechnology to fight climate change 

  http://www.foresight.org/nanodot/?p=2529

  Most of us are somewhat-to-very concerned about climate change — how can nanotechnology help? Nanowerk brings our attention to a UK report (pdf) looking at how relatively conservative nanotech advances ... could make a contribution: The study concludes that nanotechnology is likely to have a significant positive effect on the UK’s green house gas emissions: “From the areas we have studied, nanotechnology could reduce our green house gas emissions by up to 2% in the near term and up to 20% by 2050 with a similar saving being realized in air pollution. These savings are based on the wide-scale adoption of nanotechnology and the assumption that predicted breakthroughs within the field will occur when expected.” This really sounds quite conservative to me, even without assuming highly advanced productive nanosystems. Can’t we do better within forty years? I believe we can. —Christine Update: We are still having trouble with comment spam. Apologies to those of you whose comments have been sw   [More...] [Less...]

  First added: 14 September 2007, by: David Wiblin  [Report as spam]

  Average rating (2 ratings):

  1 2 3 4 5

  Tags:  climate change, nanotechnology, gases, global warming, green house