“…Cluster 1 (grey) is about the thematic axe "Sustainability in processes". Cluster 1 is the bigger group and it has the 32% of the total keywords, Environmental Protection leads Cluster 1 with (113 articles) followed by Innovation (87 articles), Economics (83), Stakeholder (80), Food Industry (68), Economic and Social Effects (58), Agriculture (55), Environmental Economics (54), Conservation of Natural Resources (52), Forestry (45), Corporate Social Responsibility (44), Ecology (44), Forest Management (43), Implementation Process (39), Land Use (38), Governance Approach (33), Case Study (32), Public Policy (32), Strategic Approach (31), Strategic Planning (31), Biodiversity (30), Developing Countries (30), Industrial Ecology (30), Ecotourism (27), Education (27), Policy (26), Economic Aspect (25), or Ecosystem (25) among others.…”