The Carbon Footprint of Climate Conferences: A Critical Review

The United Nations' climate conferences, like COP26, have a significant carbon footprint, with long-distance travel accounting for 85% of total emissions over the past three conferences. The conference's accommodation and energy usage also contribute significantly to the carbon emissions, with flights and long-distance travel being the largest cause. The conference's carbon neutrality claims are also under scrutiny, with the value of offsets being debatable and carbon reductions often failing to meet expectations.

Key Takeaways:

• The carbon footprint of a climate summit, on average, is 53,374 tonnes of CO2 equivalent, with 45,264 tonnes attributed to flights and long-distance travel.
• The number of participants in the past three UN climate conferences has averaged 25,042, with 2,135 flights and 616 cars used for long-distance travel.
• The conference venue's heat and electricity usage, as well as local public transport, contribute to the overall carbon emissions, accounting for 4,220 tonnes.
• The UK government will invest in projects to offset the carbon emissions, including planting 685 hectares of trees in Poland and spending [euro]418,000 on biomass stoves in Rwanda.
• The value of offsets is disputed, and the carbon reductions promised by providers often fail to meet scrutiny.
• The conference's accommodation and energy usage are significant contributors to the carbon footprint, with some meeting venues having low energy efficiency ratings.
• Cruise ships have been hired to ease the shortage of hotel rooms, but this may not be the most effective solution to reduce carbon emissions.

Statistics:

• Average greenhouse gas emissions of recent United Nations climate conferences: 53,374 tonnes of CO2 equivalent
• Total number of participants in the past three UN climate conferences: 25,042
• Average number of flights and long-distance travel: 45,264 tonnes
• Number of feet used for long-distance travel: 2,135
• Number of cars used for long-distance travel: 616
• Carbon emissions from flights and long-distance travel: 85% of total emissions
• Carbon emissions from accommodation: 15% of total emissions

Sources:

• Federal Ministry for the Environment, Nature Conservation and Nuclear Safety, Germany
• National Centre for Emissions Management, Poland
• Ministry for the Ecological Transition, Spain
• Average emissions for COP23 in Bonn, Germany; COP24 in Katowice, Poland, COP25 in Madrid, Spain