While I believe there might be some possibility that we might see some catastrophic events caused by climate change or human conflicts, I highly doubt that they

While I believe there might be some possibility that we might see some catastrophic events caused by climate change or human conflicts, I highly doubt that they would completely wipe humanity and/or make Earth wholly unhabitable. I can think of some scenarios that would lead to devastating losses and long-term consequences but I have a hard time picturing a complete extinction happening within 15 years, barring some crazy unlikely scenario like a big meteorite impact.