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. 2012 Aug 15;7(8):e42128. doi: 10.1371/journal.pone.0042128

Table 1. List of selected keywords for web profile identification.

Primordial entities and living beings Sustainable development aspects
Water Economy
Air Society
Earth Environmental Impact
Fire Sustainable Development
Hydrogen Energy
Oxygen Photovoltaic
Biodiversity Ecosystem Services
Grizzly Resilience