Comment Making up numbers won't help (Score 2, Insightful) 106
The world is heating up, and we need to continue to find ways to make food and energy production more sustainable, but coming up with these completely un-relatable and nonsensical figures won't help. It's about as useful as a 'carbon tax'.
When costs impact individual consumer wallets, that's when people start paying attention. Food shortages due to lack of water or shifting climates drive up prices and create scarcity. Water scarcity and resulting political instability is scary, and starting to rear it's ugly head in a few places.
Unfortunately, I think people are going to have to get a taste of the impact before they do anything meaningful about it. Time has shown you can yell about it all you want, but sitting down to figure out how you can accomplish these goals without reducing quality of life is the most important thing you can do. Leaning into modern, safe nuclear energy for energy abundance (in addition to solar) is much better than advocating for artificial scarcity and extreme conservation. Figuring out ways to more efficiently grow food at scale, as we have been doing since the mid-20th century, is better than advocating for immediate, drastic changes in diet. Lab grown meat that tastes and feels identical to the real thing but environmentally costs far less to produce once it's at scale? I think it's possible. Keep working on it. Hyper efficient crop growth? I don't think we've gotten close to what we can accomplish with a given acre yet, or vertical greenhouse farming. energy efficient de-salinization or condensing? It appears possible. Space-based manufacturing and asteroid mining? It's far better to mine the asteroid belt than the earth, and send the products downhill to earth. Metals that exist in abundance in the solar system should be gotten from elsewhere if robotic mining and modern delivery systems can make it economical. This is a GIANT untapped economy that will eventually bare fruit, but it may take a while.
There's a lot of things we could push really hard that we're not doing. Markets are lazy and want to optimize today and not worry about tomorrow, if there is no immediate perceived danger. It creates a kind of blind spot that can lead to the world eating its own tail, causing a collapse. We'll either figure it out or we'll collapse and have to start over, or possibly die out completely. I think there's a window of opportunity to continue to lift civilization to great heights, that will close in the next 100 years if the status quo continues as-is.