Yes, we are clever monkeys... We can figure a way to solve our own problems. Looking at our history over millions of years, we have figured out how to survive every time and it's likely that we will do so this time too. Geoengineering might work!
I saw him talk about his book at the Smithsonian Institute and his words were uplifting. Just because we have not come up with the solution yet is not cataclysmic because there are smart people being born every day. Maybe one of them will think of something new. Like a giant air conditioner that moves excess air pollution into space...
Quote from the Amazon webpage about this book:
For the first time in Earth's history, our planet is experiencing a confluence of rapidly accelerating changes prompted by one species: humans. Climate change is only the most visible of the modifications we've made--up until this point, inadvertently--to the planet. And our current behavior threatens not only our own future but that of countless other creatures. By comparing Earth's story to those of other planets, astrobiologist David Grinspoon shows what a strange and novel development it is for a species to evolve to build machines, and ultimately, global societies with world-shaping influence.
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