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Spectral efficiency, spectrum efficiency or bandwidth efficiency refers to the information rate that can be transmitted over a given bandwidth in a specific communication system. It is a measure of how efficiently a limited frequency spectrum is utilized by the physical layer protocol, and sometimes by the medium access control (the channel ...
Climate TRACE (Tracking Real-Time Atmospheric Carbon Emissions) [64] is an independent group which monitors and publishes greenhouse gas emissions. [65] It launched in 2021 before COP26 , [ 66 ] and improves monitoring, reporting and verification (MRV) of both carbon dioxide and methane .