Carbon accounting will be in focus at the COP28 climate summit in Dubai this year as countries assess progress against climate goals agreed in Paris in 2015, and de Klerk said it was crucial military emissions were included.
"Emissions of conflicts and military emissions are often overlooked," he told Reuters.
The report - Climate Damage Caused By Russia's War in Ukraine - was funded by the European Climate Foundation and the Environmental Policy and Advocacy Initiative in Ukraine.
HARD TO DECIPHERUkraine's Ministry of Environmental Protection said it was important to initiate discussions about the impact of conflicts on the climate.
Government reporting of military and conflict emissions to the United Nations is notoriously hard to decipher.
Persons:
Alexander Ermochenko LONDON, Lennard, Klerk, it's, de Klerk, James Appathurai, of Environmental Protection, Bremer, Sarah McFarlane, Valerie Volcovici, Richard Valdmanis, David Clarke
Organizations:
REUTERS, Reuters, European Climate Foundation, Environmental, Initiative, Environment Observatory, of Environmental, United Nations, Brown University, International Institute for Applied Systems, Thomson
Locations:
Russia, Ukraine, Shakhtarsk, Donetsk, Russian, Bonn, Belgium, Europe, Hungary, Dubai, Paris, U.S, Pakistan, Afghanistan, Iraq, Syria, Kuwait, Britain