According to the NAS report, not even the United States has the tools to measure, monitor, and account for methane effectively. But improved measurement tools for detecting sources of methane are on the horizon, and are being successfully tested in California on low-flying planes, with the goal of perfecting the tools for use on satellites.
Segundo o relatório da NAS, nem mesmo os Estados Unidos têm as ferramentas para medir, monitorizar e contabilizar o metano de forma eficaz.