Maybe there are several.

Well managed forests also constitute net carbon sinks.

Ketujuh, perjanjian harus memuat ketentuan ketentuan untuk melindungi carbon sinks dan ekosistem yang vital.

overview of approaches taken to mitigate greenhouse gas emissions and enhance greenhouse gas sinks by gas, sector and policy instrument

describing expected progress in the mitigation of greenhouse gas emissions and the enhancement of greenhouse gas sinks on the basis of information contained in national communications, and