Wooden wind turbines?
…Supporting this heavy structure also requires around 1,300 tons of concrete, explaining another 150T of CO2 (data here). Overall, we estimate that the embedded CO2 in a wind turbine gives…
Battle of the batteries: EVs vs grid storage?
…electronics can double as a grid-scale storage device (note below), absorbing excess renewables to prevent curtailment. But batteries affixed to a wall or on a concrete pad cannot usually double…
Commodity prices: metals, materials and chemicals?
…prices, Battery Graphite prices, Benzene prices, Butadiene prices, Carbon Fiber prices, Cement prices, Cobalt prices, Cobalt Oxide prices, Cold Rolled Steel prices, Concrete prices, Copper prices, Copper Wire prices, Cumene…
Average home sizes: living space per person?
…household member has risen 5x In my adopted homeland of Estonia, I have also seen my fair share of boxy 30-40m2 concrete monstrosities, dating back to the fifty year period…
Peak commodities: everything, everywhere, all at once?
…highs, and likely double again by 2050. The Stone Age ended in 3,000 BC, yet stony concrete and coal, remain the #1 and #2 materials in the world, at >30GTpa…