Solid and Hazardous Waste
Honestly, most of my food decisions come down to what's cheap and fast. But seeing the slide that showed beef takes 36,200 calories of input compared to 8,800 for poultry made me pause. That gap is huge, and it's not just about efficiency, it's about the planetary management worldview baked into how we produce food. The mindset that we can engineer our way out of any problem is exactly what the Biosphere 2 case study pushes back on. Eight people, two years, and the whole system fell apart because decomposers ate the oxygen and ants outcompeted everything. If we can't replicate Earth's systems on that small a scale, the confidence behind industrialized agriculture starts to feel a little misplaced. The line that stuck with me most was about "substitution of belief for facts" being a warning sign of past civilization collapses. That feels uncomfortably relevant right now. I'm not planning to go full vegan or anything drastic, but I think shifting towar...