Monsanto Forest Park an auditorium, a space for permanent and occasional exhibitions, and a Centre of Multimedia Resources. Quercus, the largest Portuguese non-profit national environment organization for the conservation of the natural environment, is based in Monsanto Park. The intensive agricultural usage of the soils led to erosion and practically to a destruction of the original vegetation. In the 1930s, the increasing demand for construction areas led Duarte Pacheco, the then Minister for the Public Works of Portugal, to resuscitate an idea from 1868: the reforesting of the then practically bare Serra de Monsanto. The regulation for Monsanto Park was put in place
Monsanto James Conant, president of Harvard University and chairman of the National Defense Research Committee (NDRC). They urged Thomas to become co-director of the Manhattan Project at Los Alamos with Robert Oppenheimer, but Thomas was reluctant to leave Dayton and Monsanto. He joined the NDRC, and Monsanto's Central Research Department began to conduct related research. To that end, Monsanto operated the Dayton Project, and later Mound Laboratories, and assisted in the development of the first nuclear weapons. In 1946, Monsanto developed and marketed "All" laundry detergent, which they sold to Lever Brothers in 1957. In 1947, its styrene factory was destroyed