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OroPla • today at 4:26 PM • 3 replies • view on HN

> Carbon capture is fraud.

Planting and growing trees is a form of carbon capture and it is one that has worked in Earth's history to bring CO2 levels down over the last millions of years from 7000ppm during the Cambrian Age to less than 700ppm.


Replies

graypegg • today at 4:34 PM

You already know why that’s a confusing argument because you included the time scale yourself, but to say the obvious: I think we probably need to go a bit faster than “millions of years”.

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worik • today at 6:56 PM

Planting trees as "carbon offsets" has been a hugely profitable rort

The idea that we can lock up land, forever, planted in trees to offset our consumption is blissfully naive

In New Zealand large swatches of land are being taken out of production, for a onetime big payment

It neglects two things:

1. Trees burn. Forests left untended for years choke with fuel and then catastrophically burn releasing all that carbon

2. We need the land. Future generations, this generation in a few years, will not be sympathetic to the vast swatches of unproductive land (that due to 1. above create costs)

We must stop producing carbon. It will mean many obscenely rich will be downgraded to wealthy. And the prospect of that is enough to burn the world

Hikikomori • today at 5:29 PM

To capture 10% of daily emissions we need to plant like 20 million trees per day.