Environmental protection

https://www.wikidata.org/wiki/Q832237

Field Hierarchy

Parent
Geography 13.2M papers		Environmental science 8.8M papers
Current
Environmental protection 307k papers
Child
Environmental pollution 38.4k papers	Oil spill 19.6k papers	Coast guard 5,302 papers	Environmental stress 3,621 papers
Oil pollution 3,544 papers	Clean energy 3,187 papers	Fire hazard 2,508 papers	Active carbon 2,413 papers
Deepwater horizon 2,213 papers		Energy resources 1,920 papers

Trends

Notes

History