Climate change summits need rethink over transport emissions involved

'A return flight from Dublin to Cop27 would equate to approximately 1.3 tonnes of CO2, which in itself will be approximately the same as driving an SUV for 9,000km.' Picture: AP/Peter Dejong

A rethink on hosting future UN climate change Cop summits is needed because of the huge emissions associated with delegates flying in from around the world, an expert has said.

Dr Brian Caulfield, Trinity College Dublin associate professor in the Department of Civil, Structural, and Environmental Engineering, has extensively researched the environmental impacts of transport emissions.