These are the CASSE blog articles on materials use.
One of the more puzzling features of modern life is the starkly contrasting visions of humanity’s near-term future. Watch thirty minutes of commercial-filled TV and you get a cheery sense that all is well in the world. A BMW, an anti-depressant, or a Caribbean vacation—these will ensure ever greater happiness.
At the same time, a 2021 poll in ten countries found that four in ten young people are hesitant to have children because of the climate crisis.
Like a doctor measuring a patient’s vital signs, environmental scientists use various indicators to assess the health of the global ecosystem. These planetary vital signs are reckoned in a variety of units, such as tons of greenhouse gas emitted or hectares of land deforested. Meanwhile, conventional economists try to measure everything in terms of dollars (or other currencies). For example, they assign monetary values to the “ecosystem services”
Just as it does for a certain “old man on a green bike,” my commitment to car-free travel often drives me to greater levels of exercise, and more vivid experiences of nature, than one would get behind the wheel of a car. Unfortunately, economic growth has progressively degraded one such experience. Trips to my partner’s lake cottage begin with a commuter train in Montréal and end with an hour-long walk on a dirt road through the countryside.