A brief review of the development of experimental methods of the monitoring of the environment using femtosecond lidar systems of Institute of atmospheric optics (IAO SB RAS, Tomsk, Russia) has been presented. Spectrums if lidar returns for the distance 110 m which has been detected via femtosecond laser-induced breakdown spectroscopy method (FS-LIBS) has been discussed. It has been shown that as spectral distribution of the energy of the supercontinuum emission, as results of the interference of the emission of "near" filaments are detected in the case of multiple filamentation of lidar signals.