News Earth

A limit for carbon emissions: 1 trillion metric tons

To reduce risks of severe damage from climate change, humans should burn no more than 1 trillion tons of carbon in total

By Sid Perkins

- More than 2 years ago

To prevent Earth’s average temperature from rising more than 2 degrees Celsius above preindustrial levels, several teams of researchers suggest that policymakers limit cumulative carbon emissions to no more than 1 trillion metric tons.