Dr. Sifang Chen

Carbon removal and the path back to 1.5°C

A growing number of reports warn that the world is crossing over the 1.5℃ threshold set out in the Paris Agreement and into overshoot. In some contexts, “overshoot” simply means surpassing 1.5℃. However, in the parlance of the…

Energy and water use for DAC

This is part one of a planned series on the environmental and resource impacts of direct air capture. Energy and water use are only part of the picture. In future installments, we will explore environmental impacts associated with CO2 pipeline…

To depend on the ocean, start with research

The ocean is the largest carbon sink on the planet and contains almost 50 times more carbon dioxide than is currently in the atmosphere. The ocean’s ability to remove and store CO2 can be enhanced through a suite of…