**Key Facts: Why Is the 1.5 Degrees Celsius Threshold Significant?**
The signatories of the 2015 Paris Climate Agreement set 1.5 degrees Celsius as the preferred limit for the increase in global temperatures above pre-industrial levels, with 2 degrees Celsius designated as the upper limit. Scientists have warned that global temperatures rising above the 1.5 degrees Celsius benchmark could trigger more severe and potentially irreversible climate impacts.
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**What Is Bill Gates Saying About Climate Change?**
Billionaire and philanthropist Bill Gates published a blog post urging countries to pursue a new approach to addressing climate change. In his post, Gates emphasizes shifting the focus from solely tracking rising temperatures to improving people’s health and well-being.
Titled “Three Tough Truths About Climate,” Gates’ blog addresses leaders attending the UN’s COP30 climate change summit in Brazil next month. He asserts, “Climate change is serious, but not the end of civilization,” highlighting that innovations in clean energy are significantly lowering future emissions projections.
Gates explains that his climate-focused funding venture, Breakthrough Energy, concentrates investments on technologies with “large positive Green Premiums” — a term he uses to describe the cost difference between clean and dirty technologies.
Furthermore, Gates argues that “temperature is not the best way to measure our progress on climate” and points out that sometimes “human welfare takes a backseat to lowering emissions, with bad consequences.” He suggests that global leaders should prioritize improving health and economic outcomes alongside emission reduction efforts.
Citing a study from the University of Chicago’s Climate Impact Lab, Gates notes that projected climate-related deaths will drop by more than 50% when “expected economic growth of low-income countries over the rest of this century” is taken into account. He concludes, “Since the economic growth that’s projected for poor countries will reduce climate deaths by half, it follows that faster and more expansive growth will reduce deaths by even more.”
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