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James Linzel

Good news on ozone, bad news on greenhouse gases | Ars Technica - 0 views

arstechnica.com/...-bad-news-on-greenhouse-gasses

shared by James Linzel on 13 Sep 14 - No Cached
  • James Linzel on 13 Sep 14
     
    " Good news on ozone, bad news on greenhouse gases The ozone layer is on track for recovery even as carbon emissions boom. by John Timmer - Sept 13 2014, 2:10am CST ShareTweet 42 The Montreal Protocol, created in response to the decline in the Earth's ozone layer, called for a world-wide phase out in the production of chemicals that were responsible for the ozone's decline. It is perhaps the greatest global environmental achievement to date. And, this week, the World Meteorological Organization and the United Nations Environmental Program announced it was working. Unfortunately, this week also saw the WMO release its annual greenhouse gas bulletin, and here the news was nowhere near as promising, as emissions returned to levels not seen since the 1980s. First, the good news. In the 2014 version of the Scientific Assessment of Ozone Depletion, the WMO finds that the atmospheric concentrations of most of the chemicals covered by the Montreal Protocol are in decline. The exceptions are hydrochlorofluorocarbons, which are used in refrigeration, and halon, used in fire suppression. The WMO also noted that there must be some unidentified source of carbon tetrachloride to explain its persistence in the atmosphere."
Erin Rossing

For the Birds: Environmental Effects on Population | SMILE - 0 views

howtosmile.org/3658

applied learning environmental population math lessons

shared by Erin Rossing on 16 Feb 14 - No Cached
  • Erin Rossing on 16 Feb 14
     
    Great math and science activities, many related to sustainability and environment
Jason Dillon

China's Ravaged Farmlands - NYTimes.com - 0 views

www.nytimes.com/...chinas-ravaged-farmlands.html

sustainability farm food china

shared by Jason Dillon on 29 Apr 14 - No Cached
  • China’s environmental degradation is a consequence of the blind pursuit of growth at any cost. But for the expanding middle class food contamination and air pollution are sources of great anxiety that could ignite serious social unrest.
Jason Dillon

Shout: About the Project - 0 views

shoutlearning.org/about.html

environment science collaboration smithsonian

shared by Jason Dillon on 01 May 14 - No Cached
  • Connect online to interact with experts in the field, share ideas, and collaborate with people around the world who, like you, are committed to solving environmental challenges.
  • Jason Dillon on 01 May 14
Jason Dillon

Into Africa: China's Wild Rush - NYTimes.com - 0 views

www.nytimes.com/...o-africa-chinas-wild-rush.html

china africa trade migration

shared by Jason Dillon on 17 May 14 - No Cached
  • given skepticism about China from Africa’s own increasingly vibrant civil society, which is demanding to know what China’s billions of dollars in infrastructure building, mineral extraction and land acquisition mean for the daily lives and political rights of ordinary Africans.
  • at the start of a four-country African trip, Prime Minister Li Keqiang acknowledged “growing pains” in the relationship, and the need to “assure our African friends in all seriousness that China will never pursue a colonialist path like some countries did, or allow colonialism, which belongs to the past, to reappear in Africa.”
  • China takes our primary goods and sells us manufactured ones. This was also the essence of colonialism.”
  • ...4 more annotations...
  • In Ghana, an estimated 50,000 new migrants, most of whom are said to have hailed from a single county in southern China, showed up recently to conduct environmentally devastating gold mining. This set off a popular outcry that forced the Ghanaian government to respond, resulting in arrests of miners, many of whom are being expelled to China.
  • Kenya’s Constitution insists on “intergenerational equity,” but also requires that “public money be used in a prudent and responsible manner.” Mr. Ndii asked whether the deal with the Chinese was consistent with either provision.
    • Jason Dillon
      Jason Dillon on 17 May 14
       
      Consider all the ways we can interpret this phrase "intergenerational equity": in China, in Africa, in the US (given the projections about the job market and standard of living for young adults compared to the baby boomers).
  • From Zaire to Equatorial Guinea to Rwanda, the West clearly has its own deep and insufficiently acknowledged history of doing much the same.
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