Everyday Decisions

Home, heat, water, mobility, screens and consumption, without blame or trivializing.

Prudence without guilt or alibis

Heating and cooling, water, transport, food and screens all add up their real impact through the combination of three factors: the intensity of each gesture, how long it lasts, and how many times it is repeated over days and years. None of these everyday decisions transforms the final outcome on its own, but none is irrelevant either: this block's goal is not to impose a closed list of prohibitions, but to give criteria for ranking actions by their real impact, rather than by how visible or guilt-inducing they happen to be.

Food is not just cooking, and saving is not just consuming less

Two ideas connect this block's two leaves to the rest of the journey. The first is that the food that ends up on a plate carries, just like the water from a tap, an entire chain of invisible energy — fertilizers, farm machinery, processing, refrigeration, transport, cooking — that starts long before the stove is turned on. The second is that improving something's efficiency does not, on its own, guarantee reducing its total consumption: when a service becomes cheaper because it has become more efficient, it is common for it to be used more, a phenomenon called the rebound effect that is worth understanding before assuming any technical improvement automatically translates into less real consumption. Keeping things that still work, and not letting a small gesture serve as an excuse to ignore a bigger decision, are the two threads running through this entire block.