Regras do torneio Rota 2020. Europa Sustentável (CIEJD-Science4you 2014)

Living Planet Report 2012 (WWF - Global Footprint Network)

Relatorio Planeta Vivo 2012 (WWF - Global Footprint Network)

UNEP Yearbook 2011 (ONU-UNEP 2011)

Atlas de Portugal (IGP 2005)

World Urbanization Prospects 2009 Revision (United Nations 2010)

Estatísticas do Ambiente 2010 (INE 2011)

The Ecological Footprint Atlas - 2010 (Global Footprint Network)

Millennium Development Goals. Report Card, Measuring Progress Across Countries - 2010 (UN)

The Millennium Development Goals - Report 2010 (ONU 2010)

Relatório Planeta Vivo 2010 (WWF - Global Footprint Network)

Atlas of Our Changing Environment (ONU-United Nations Environment Programme 2005)

The Millennium Development Goals - Report 2010 [STATS] (ONU 2010)

Millennium Development Goals - Report From Portugal 2010

Relatório Planeta Vivo 2008 (WWF - Global Footprint Network)

The Ecological Footprint Atlas - 2009 (Global Footprint Network)

Relatório Planeta Vivo 2006 (WWF - Global Footprint Network)

The Ecological Footprint Atlas - 2008 (Global Footprint Network)

Relatório do Estado do Ambiente 2009 (Ministério do Ambiente 2010)

Anuário Estatístico de Portugal 2008 (INE 2010)