Admittedly i wasn't writing a through essay response. To elaborate, I'm saying that the exponential rise of technology coupled with the same exact type of mind our ancestors had 2,000 years ago is a significant source of the issue right now. The solution to create even more powerful technology to solve this problem will likely only lead to a bigger problem in the future.
What we don't spend relatively anywhere close to same level of energy and effort is creating, developing, funding ways to shape the human culture, values, and mind that underlies this relentless (and in many cases unfulfilling and self-destructive) pattern of looking to technology to solve everything.
It's a hard challenge for sure but I don't see any alternative solution.
Jordan Hall and Daniel Schmachtenberger talk a lot about this as one source to go deeper.
(side note, I live full time in a residential, monastic small community in the country side. Our carbon footprint is tiny for our size and we have daily conversations on this type of thing. We haven't "solved" it but this is a issue close to my heart I've dedicated my life to.)