Thread by @BjornLomborg

Greta right: if you want 1.5°C, you must shut down world in 8 years

But should we? That is a political question, not a science one

Just like science tells us, if you want no traffic deaths, you must set speed limit at 5MPH

Whether you want that world, is a political question

https://twitter.com/GretaThunberg/status/1179507708493471744

Here is her quote from IPCC: we have about 420Gt CO₂ left for 1.5°C, used in around 2028 — then we have to cut off all fossil fuels

Without 81% of the world's energy, it will be cold, dark & back-breaking

(+half the world will die, bc fossil fertilizer produce 50% of food)

Yes, climate science should inform our decisions

But claiming science dictates our choices is scientism

- equivalent to claiming science dictates a 5MPH speed limit

For a fuller argument, see my replies to Greta's claims in Globe & Mail
theglobeandmail.com/opinion/articl…