• [2012-08-22] Human society surpasses 'nature's budget' today
  + http://www.footprintnetwork.org/images/article_uploads/EODay_Press_Release_2012.pdf
  in Tietoukka Monitor > 2012 > 2012-34 with 2012 earth_overshoot_day ecological_footprint humans
• [2013-08-20] In the red for the rest of 2013: humanity's demands exceed Earth's carrying capacity
  + http://news.mongabay.com/2013/0820-hance-overshoot.html
  in Tietoukka Monitor > 2013 > 2013-34 with earth_overshoot_day

earth_overshoot_day from all users