• Worldwatch Institute (USA)
  www.worldwatch.org
  
• Earth Policy Institute (USA)
  www.earth-policy.org
  
• Azafady (Madagascar / UK)
  www.azafady.org
  
• Yanapuma Foundation (Ecuador)
  www.yanapuma.org
  
• Foundation for the Support of Ecological Initiatives (Poland)
  www.zb.eco.pl
  

Photographers :

• Tomek Nowicki
  
• Don Paulson
  http://www.donpaulson.com/
• Adam �awnik
  http://www.adamlawnik.art.pl
• Carl Purcell
  http://www.photosource.com/1347
• Henryk Janowski
  http://www.fotografia-przyrodnicza.art.pl/galeria.php?autor=88