An Taisce is calling on the world’s leaders to agree and enforce a cap on global Cumulative Total Emissions at the UN summit in New York next week. Climate science is now clear that Cumulative Total Emissions (CTE) is the essential measure that must be used when calculating the needed reductions—not delayed percentage targets as presently used. Cumulative Total Emissions (CTE) are critical to climate action that ensures local and national efforts are not undermined anywhere now or in the future.