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Originally Posted by golfing eagles
Here's the problem with that reasoning:
Even if there wasn't a single human, or cow fart on Earth, in 20-25,000 years all that "eco-disaster" flooding of coastal cities and global temperatures of 4-6 degrees higher would occur ANYWAY. It has happened dozens of times in the last 4 million years without any help from humanity, and it will happen again. The last time it happened was about 15,000 years ago----and the evidence is cities off the coast of India and Japan, and possibly in the Caribbean and Mediterranean that predate the start of the latest warming cycle and are now under 200 feet of water since they were built on the coastline of the time.
So, even given the chicken little scenarios, all we could do is reduce/eliminate human contribution (by living in the stone age) and everything they fear will HAPPEN ANYWAY. Now, if the great concern is that we accelerate the time frame so it happens in 15,000 years instead of 25,000, have at it. By all means spend 100 trillion dollars to "combat" it. Unfortunately, that would be a fool's errand. To those who think it will happen in 5, or 50, or even 500 years---get off Fantasy Island, that isn't even remotely close to reality.
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If "we" weren't here, then "we" wouldn't have a problem. But, we are here. 8 billion of us, with numbers growing exponentially. The negatives of our current existence is also growing exponentially, and the 15,000 to 20,000 year time frame you give is quite likely much, much less than you think. Changes happen ever faster. We seniors will be gone before long and we won't be overly affected. But those very close behind us better learn to swim (tongue in cheek). Waterworld is on the way and Fantasy Island will be no more.
Living in the stone age is not required. Lowering birth rates and learning to make the best use of new technologies in all industries, from farming to manufacturing. Serious recycling of resources. Lots can and should be done to begin halting further destruction of the earth.