This global celebration of forests provides a platform to raise awareness of the importance of all types of forests and of trees outside forests. Forests cover one third of the Earth's land mass, performing vital functions around the world. Around 1.6 billion people - including more than 2,000 indigenous cultures - depend on forests for their livelihood. (...)

The article:
http://www.un.org/en/events/forestsday/

More about:

http://www.un.org/esa/forests/international-day-of-forests/index.html

http://www.fao.org/news/story/it/item/216943/icode/

http://www.fao.org/news/story/it/item/217743/icode/

http://www.repubblica.it/ambiente/2014/03/21/news/giornata_delle_foreste_thailandia_birmania-81535666/?ref=HRLV-17

http://www.lastampa.it/2014/03/21/scienza/ambiente/fao-zone-forestali-continuano-a-diminuire-nel-mondo-z3y9GfOydDDbUCzY2xHW1H/pagina.html

http://www.wwf.it/news/notizie/?6820/21-marzo-giornata-mondiale-delle-foreste

http://www.greenreport.it/news/aree-protette-e-biodiversita/la-giornata-mondiale-delle-foreste-tra-molti-rischi-e-qualche-speranza-anche-italia/

http://www.greenreport.it/news/aree-protette-e-biodiversita/quando-soldi-crescono-sugli-alberi-come-le-foreste-possono-sostenere-la-green-economy/

Basic Information:
http://en.wikipedia.org/wiki/International_Day_of_Forests
http://es.wikipedia.org/wiki/D%C3%ADa_Internacional_de_los_Bosques