But adults telling her climate is an existential threat are just blatantly wrong
Climate is a problem, not end-of-world
and proposed 'solutions' often worse
Equivalent to one recession in the next half-century
archive.ipcc.ch/pdf/assessment…
![](https://pbs.twimg.com/media/EA6zjlJUcAE2XEL.jpg)
nber.org/reporter/2017n…
![](https://pbs.twimg.com/media/EA6zkJpUEAEUSFR.png)
ipcc.ch/sr15/, page 256
![](https://pbs.twimg.com/media/EA6zk3RUEAAtwfi.png)
Compare this to climate impacts of 2.6% or 4% even without policies
sciencedirect.com/science/articl…
![](https://pbs.twimg.com/media/EA6zlnxUEAAAMAD.jpg)
New Zealand gov't requested official cost estimate: 16% of GDP (mfe.govt.nz/sites/default/… (p16, avg of ZNE targets)
![](https://pbs.twimg.com/media/EA6zm6aUwAALLZ-.jpg)
For NZ it is more than last year’s entire national budget on social security, welfare, health, education, police, courts, defense, environment, and every other part of government combined. $13 tax on a gallon of gas
We should cut the cheapest and most damaging CO₂, but optimal level is cutting from 4.1°C in 2100 to 3.5°C
2.5°C would be a terrible deal, and 2°C or 1.5°C worse (& impossible)
aeaweb.org/articles?id=10…
![](https://pbs.twimg.com/media/EA6znqDVAAA1f4F.png)
Maybe we should stop scaring ourselves silly?
And maybe start making sensible climate policy, not based on fear but honest awareness of tradeoffs between climate damage and climate policy damage?