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Arizona Researcher Accidentally Creates Carbon-Negative Cement 20% Stronger Than Normal

A small experiment at the University of Arizona recently led to a major discovery that could change the way we build cities ...
NPR

The EPA is updating its most important tool for cracking down on carbon emissions

The EPA is updating its most powerful climate policy tool: a single number called the social cost of carbon. The new number is more accurate, but is also raising ethical concerns. The Environmental ...