1 Subjects: “...,Purchasing power,History of Data,National Library of Israel,16thcentury,Bottom-up research,Hebrew incunabula...”

2 Subjects: “...Chinese national scenic areas...”

3 Subjects: “...National Health Services...”

4 Subjects: “...national ambient air quality standards...”

5 Subjects: “...national health insurance...”

6 “... countries have joined in multi-national initiatives to measure, monitor and mitigate environmental impacts...”

7 “... to provide evidence to inform nations and global responses to any emergences. This Special Issue...”