Why is the term “Extinction Level Pollution Emissions” a better description than “global warming?”

Principles of Economics in Context by Goodwin, Harris, Nelson, Roach and Torras published by M.E Sharpe ISBN: 978-0-7656-3882-3Principles, Chapter 32 “How Economies Grow and Develop”Principles, Chapter 33 “Growth and Sustainability in the Twenty-First Century”Questions1. Colonialization: What are the lingering effects of colonialization on economic growth?2.Sustainability: Why is the term “Extinction Level Pollution Emissions” a better description than “global warming?”