After seven years of development, the transition to Proof of Stake made Ethereum become the first global collective climate action to shed, through innovation, more than 99.992% of its carbon footprint, according to the Crypto Carbon Ratings Institute (CCRI). While this shift represents a significant environmental step forward, the technology leaves behind an estimated carbon debt in the tens of millions of metric tons. One of the first projects to be undertaken by the Platform’s launch partners will be to underwrite a study to attain the most accurate estimate with respect to these past emissions.