Population & Development Population and development generally refers to the study of the consequences of population trends on socioeconomicdevelopment, human welfare, and the natural environment. ALL TOPICS 1.. Population & Development 2...Agriculture & Development 3...Soil degradation & conservation 4...Mining industry 5...Forestry 6...Tourism 7...River basin development 8...Transport & Communication 9....Manufacturing industry 10...Environmental issues & Conservation 11....Fuel & Power 12...Weather & Climate 13...Soil study 14...Water masses 15...Climatology