How will future climate change affect the world?

Scientists say limiting temperature rise to 1.5C is crucial to avoid the most dangerous impacts of climate change - although these increase with every extra increment of warming.

The 1.5C warming limit was partly designed to avoid crossing so-called "tipping points".

These are thresholds beyond which changes could accelerate and become irreversible in different parts of the Earth's climate system, such as the collapse of the Greenland Ice Sheet.

But it's not clear precisely where these thresholds sit. Some may have already been crossed; some may be further away than first thought.

Disponível em: https://www.bbc.com/news/science-environment-24021772

Based on the passage, what is one of the main purposes of limiting temperature rise to 1.5C in the context of climate change?