Whether you "believe or disbelieve" the 7 billion people on this planet are causing "serious acceleration", The natural cycle of Global Warming is Real, and with imminent sea-level rises most cities are built in the wrong places!
Besides the human costs of more energetic weather events, it would require Trillions of Dollars to relocate our cities. This is why no matter how ambitious, exploring the potential to slow the impacts of Climate change makes sense.