1 Subjects: “...global non-radial directional distance function model (GNDDF)...”

2 Subjects: “...global patent data...”

3 Subjects: “...global warming...”

4 Subjects: “...global...”

5 Subjects: “...global warming...”

6 “... market trends, globalization, the constant pressure to reduce production costs, and technical...”

7 “... include global energy consumption and dependence on fossil fuels, which are addressed in global energy...”

8 “...Implementing sustainable development is central to achieving global reductions in greenhouse gas...”

9 “... to its importance in global systems. While forest recreation focuses on forests as the main destination...”

10 “... sustainability challenges in the global dairy sector....”

11 “.... In the 1980s, the first global environmental crisis occurred with an emphasis on the role of plastics in big...”