Figure 1. Overview of the evolution of number of scientific publications for different topics. The evolution of the number of scientific publications (Web of Science online database) per year filtered by different keywords is presented. These topical keywords are the following: (●) “CO2”; (◇) “CO2” AND “atmosphere” (atmosphere); (□) “CO2 capture” (capture); (▲) “CO2 storage” (storage); (△) “CO2 utilization” OR “CO2 conversion” OR “CO2 recycling” (reuse). The time spans above the graph indicate the years with more than 50 publications/year. The jump between 1990 and 1991 can be (partially) explained by a sudden increase in the number of publications in Web of Science per year, estimated by performing a search with neutral keyword “of” (inset).
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