Understanding Food Energy and Human Population Growth

CrashCourse

This educational video from Crash Course Geography explores the complex relationship between food energy, biological ecosystems, and human population growth. Host Alizé Carrère breaks down the journey of energy from the sun to our plates, explaining scientific concepts like photosynthesis, food chains, trophic levels, and the 10% rule of energy transfer efficiency. The video connects these biological principles to human geography, illustrating how dietary choices and economic development impact the environment.