Joel Cohen, a professor of populations, introduces demography by highlighting the importance of understanding population dynamics in the face of challenges like hunger, illiteracy, and lack of access to contraceptives. He emphasizes the interplay between population, economics, environment, and culture, advocating for education, contraception, economic reforms, and sustainable agriculture to address global issues.

Joel Cohen, a professor of populations, introduces demography by highlighting the importance of understanding population dynamics in the face of challenges like hunger, illiteracy, and lack of access to contraceptives. He emphasizes the interplay between population, economics, environment, and culture, advocating for education, contraception, economic reforms, and sustainable agriculture to address global issues.