The higher the number, the greater the government’s justification for compelling polluters to reduce the emissions that are dangerously heating the planet. During the Obama administration, White House economists calculated the social cost of carbon at $42 a ton. The Trump administration lowered it to less than $5 a ton. Under President Biden, the cost was returned to Obama levels, adjusted for inflation and set at $51.
The new estimate of the social cost of carbon, making its debut in a legally binding federal regulation, is almost four times that amount: $190 a ton.
Yes but climate change will have dramatically negative effects in agriculture in the long term. The cost of food can’t always be a silver bullet objection to climate regulation. We can undoubtedly find ways to grow food with less carbon cost if there is economic incentive for it, and long term impacts need to be considered even more than short term when we consider how bad the projections are.