Greenhouse gas

https://www.wikidata.org/wiki/Q167336

Field Hierarchy

Parent
Biology 35.7M papers	Geology 9.4M papers	Ecology 8M papers	Oceanography 2.5M papers
Current
Greenhouse gas 178k papers
Child
Carbon footprint 19.1k papers	Climate change mitigation 12.6k papers	Emissions trading 9,694 papers	Kyoto Protocol 8,752 papers
Carbon tax 6,276 papers	Low-carbon economy 5,602 papers	Methane emissions 5,392 papers	Carbon neutrality 5,067 papers
Climate policy 4,256 papers		Global-warming potential 3,658 papers

Trends

Notes

History