Greenhouse gas

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

Field Hierarchy

Parent
Biology 36.7M papers	Geology 10.6M papers	Ecology 8.3M papers	Oceanography 2.6M papers
Current
Greenhouse gas 174k papers
Child
Carbon footprint 17.7k papers	Climate change mitigation 12.3k papers	Emissions trading 9,671 papers	Kyoto Protocol 8,937 papers
Carbon tax 6,155 papers	Methane emissions 5,606 papers	Low-carbon economy 5,476 papers	Carbon neutrality 4,179 papers
Climate policy 4,111 papers		Atmospheric methane 3,807 papers

Trends

Notes

History