In 1996, there are 55 persons employed including 35 scientific staff. Scientific director of CML is Prof. dr. H.A. Udo de Haes .
Some research projects encompass contributions both from natural and social sciences.
Other projects are interdisciplinary within natural sciences or within social sciences. Since its foundation in 1977, CML has contributed to environmental theory and methodology development. A major proportion of research is contract research. Clients include government, industry and other organizations. Acquisition and acceptance of contract research are geared towards CML's research themes.