Radiation emitted from Earth's surface CFC-11 and CFC-12 Region unabsorbed are effective by natural atmospheric gases infrared absorber CF CL absorption The absorption spectra of CFC-11 and CFC-12 coincides with the atmospheric window CFCL, absorption 8,000 10,00012,000 Wavelength(nm)CFC-11 and CFC-12 are effective infrared absorber The absorption spectra of CFC-11 and CFC-12 coincides with the atmospheric window