1 “..., "Heterogeneous Photocatalysis: A Solution for a Greener Earth", from the journal Catalysts, which presents...”

2 “... Research for a Sustainable Food System" of the journal Foods. The compilation includes 18 original research...”

3 “... are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles...”

4 “... of the journal Sustainability entitled "Appropriate Wisdom, Technology, and Management toward Environmental...”

5 “.... The articles are based on the latest contribution of this journal's Special Issues in the 21st conference...”