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Biden hikes cost of carbon, easing path for new climate rules

Noted: The number could rise as climate science advances, said Paul Kelleher, an associate professor at the University of Wisconsin-Madison who specializes in climate change economics. Advances in translating temperature increases to economic damage have enabled more precise measurements of climate impacts. And the Biden administration has emphasized equity considerations to take into account low-income areas and communities of color, which new modeling makes more possible.