Environmental protection

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

Field Hierarchy

Parent
Geography 11.1M papers		Environmental science 7.7M papers
Current
Environmental protection 287k papers
Child
Environmental pollution 39.5k papers	Oil spill 18.5k papers	Coast guard 4,939 papers	Oil pollution 3,337 papers
Clean energy 3,332 papers	Environmental stress 3,300 papers	Fire hazard 2,434 papers	Active carbon 2,308 papers
Deepwater horizon 2,018 papers		Energy resources 1,820 papers

Trends

Notes

History