Control -- Agricultural pests -- 1 Case studies -- 1 Chemical warfare -- 1 Congresses 1 Deforestation -- 1 Effect of technological innovations on -- 1 more ... Environmental aspects -- 1 Food crops -- 1 Food supply -- 1 Forest policy -- 1 History 1 Insect pests -- 1 Losses -- 1 Lumber trade -- 1 Pests -- 1 Rain forest conservation -- 1 Rain forests -- 1 less ...