COP 27

This is how cities can reduce emissions with waste-reduction solutions

Methane is a major by-product of waste and is responsible for 16% of global greenhouse gas emissions. Image: REUTERS/Jo Yong-Hak (SOUTH KOREA)

Stefan Ellerbeck

Senior Writer, Formative Content

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Statistic showing global greenhouse gas emissions by gas
Methane is the second biggest contributor to global warming after carbon dioxide from fossil fuel and industrial processes. Image: EPA
Chart showing the sources of methane emissions globally in 2021
Waste was the fourth largest source of methane emissions globally in 2021. Image: IEA

Map showing the potential to cut emissions across cities
A new study shows how the world’s cities can use waste-reduction solutions to drastically reduce their emissions. Image: GAIA


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