Environmental protection

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

Field Hierarchy

Parent
Geography 13.4M papers		Environmental science 9M papers
Current
Environmental protection 315k papers
Child
Environmental pollution 40k papers	Oil spill 20k papers	Coast guard 5,359 papers	Environmental stress 3,705 papers
Oil pollution 3,606 papers	Clean energy 3,436 papers	Fire hazard 2,563 papers	Active carbon 2,451 papers
Deepwater horizon 2,255 papers		Energy resources 1,949 papers

Trends

Notes

History