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James Linzel

IPCC finally weighs in on how to avoid further climate change | Ars Technica - 0 views

arstechnica.com/...o-avoid-further-climate-change

shared by James Linzel on 15 Apr 14 - No Cached
  • growth is accelerating.
  • from 1970-2000 was about 0.4 billion tons more each year
  • three-quarters of these emissions come from fossil fuels
  • ...9 more annotations...
  • rest come from things like deforestation, livestock production, and industrial pollutants.
  • much is due to economic growth and the rising use of coal in places like China.
  • population growth
  • Combining all anthropogenic climate forcings—including greenhouse gases, land use changes, and sunlight-reflecting aerosol particles—gives a net result equal to a CO2 concentration of around 430 parts-per-million
  • it must come back down to 450 parts-per-million by the end of the century
  • it’s clear that low-carbon options like renewables, nuclear energy, and fossil fuels with carbon capture will need to account for more than three-quarters of all electrical generation by 2050 if we’re going to meet that two degree Celsius target
  • Despite strong urban growth in many places, energy use in buildings could level off or decrease by the middle of this century if the right choices are made in terms of efficiency
  • long-lasting infrastructure we put in place now can determine, to a large degree, how much energy residents of a city will need to use
  • And while we’ve made some progress on deforestation, there’s potential there as well—forests and agricultural lands could be pulling CO2 out of the atmosphere, rather than releasing more, by the end of the century
Jason Dillon

The Seek > Sense > Share Framework - 0 views

www.jarche.com/...the-seek-sense-share-framework

collaboration community

shared by Jason Dillon on 16 May 14 - No Cached
  • Seeking is finding things out and keeping up to date. Building a network of colleagues is helpful in this regard. It not only allows us to “pull” information, but also have it “pushed” to us by trusted sources. Good curators are valued members of knowledge networks. Sensing is how we personalize information and use it. Sensing includes reflection and putting into practice what we have learned. Often it requires experimentation, as we learn best by doing. Sharing includes exchanging resources, ideas, and experiences with our networks as well as collaborating with our colleagues. The multiple pieces of information that we capture and share can increase the frequency of serendipitous connections, especially across organizations and disciplines where real innovation happens. As Steven Johnson, author of Where Good Ideas Come From says; “chance favors the connected mind”.
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