Jane Goodall's long-term study of chimpanzees
Jane Goodall begins her decades-long study of social interactions of wild chimpanzees in Gombe Stream National Park, Tanzania.
Jane Goodall begins her decades-long study of social interactions of wild chimpanzees in Gombe Stream National Park, Tanzania.
An animated Disney film featuring the Seven Dwarves, showing various methods of combating the transmission of malaria by Anopheles mosquitoes.
Greece’s first national park, at Mount Olympus, the country’s highest mountain, is declared in 1938.
UNESCO recognizes the area’s exceptionally diverse flora and fauna and its value to scientific research.
The International Union for Conservation of Nature (IUCN) publishes its “Red List” of endangered animal and plant species.
This dam project alters the Niger delta’s previously dynamic and self-regulating ecosystem.
Following the establishment of the Xapuri Rural Workers’ Union, Brazilian activist Chico Mendes becomes a symbol for peaceful resistance to social injustice and environmental destruction.
Abruzzo National Park opened as Italy’s second national park.
This book is the first to identify the population of each known species in the United States.