• [2012-08-30] Greener cities crucial to African food security
  + http://www.fao.org/ag/agp/greenercities/ + http://climate-l.iisd.org/news/fao-releases-first-status-report-on-urban-and-peri-urban-horticulture-in-africa/ + http://www.trust.org/alertnet/news/african-governments-urged-to-support-city-farms
  in Tietoukka Monitor > 2012 > 2012-35 with africa horticulture urban_areas
• [2013-03-27] Insect pests more plentiful in hotter parts of city than in cooler areas
  + http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0059687
  in Tietoukka Monitor > 2013 > 2013-13 with insects temperatures urban_areas
• [2013-05-07] US urban trees store carbon, provide billions in economic value
  + http://www.sciencedaily.com/releases/2013/05/130507195815.htm + http://www.sciencedirect.com/science/article/pii/S0269749113001383
  in Tietoukka Monitor > 2013 > 2013-19 with carbon_cycle trees urban_areas usa
• [2013-09-24] City birds 'cope better in cold' than those in woodland
  + http://www.anglia.ac.uk/ruskin/en/home/news/urban_birds_cope_better_in_extreme_weather.html + http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0075536 + http://cehsciencenews.blogspot.fi/2013/09/penguin-poo-pollinators-british-birds.html
  in Tietoukka Monitor > 2013 > 2013-39 with birds reproduction urban_areas weather
• [2013-12-03] Front-running cities changing transport, improving quality of life
  + http://www.eea.europa.eu/publications/term-2013
  in Tietoukka Monitor > 2013 > 2013-49 with environmental_impact europe transportation urban_areas
• [2013-12-05] Urban Car Use Declines As Biking and Public Transit Rise in the U.S.
  + http://uspirg.org/news/usp/study-shows-driving-decline-america%E2%80%99s-cities + http://uspirg.org/reports/usp/transportation-transition
  in Tietoukka Monitor > 2013 > 2013-49 with transportation urban_areas usa

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