Carpooling, Buses, Hybrid Work Can Cut G20 Carbon Emissions By 20%: Report
A CEEW study suggests that behavioral changes such as carpooling, increased bus ridership, and hybrid work could reduce G20 passenger transport emissions by up to 20% by 2050. The report highlights that these shifts are particularly effective in high-emitting, car-dependent economies.
Why it matters
Identifying behavioral interventions provides a scalable, low-cost pathway for major economies to meet climate targets without relying solely on technological innovation.
A new study by the Council on Energy, Environment and Water (CEEW) says behavioural changes in passenger transport could cut annual emissions from G20 countries by 15-20 per cent by 2050.In its higher-impact scenario, the three changes together could save about 538 million tonnes of CO2 (MtCO2) every year in 2050. That is roughly one-fifth of the G20's passenger transport emissions under the business-as-usual scenario.The study, Mitigation Potential of Behavioural Change in Passenger Transport in G20 Countries, models three interventions -- hybrid work, shared mobility or carpooling, and higher bus ridership.And there is a bigger prize beyond the annual number.Between 2025 and 2050, these behavioural shifts could cumulatively save 5.7-8 gigatonnes of CO2, equivalent to about 5-6 per cent of the remaining carbon budget for keeping global warming within 1.5 degrees Celsius.Carpooling Packs The Biggest PunchOf the three measures studied, carpooling has the strongest standalone potential.Under a scenario where average…
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