big ideas

Investors pile into rocks to absorb carbon emissions.

“Tech companies, banks and shipping groups are investing in a method of carbon dioxide removal that promises to speed up the chemical reaction between absorbent rocks and rainfall. The natural geological process is accelerated by spreading crushed silicate rock onto […]

big ideas

Sometimes governments just make extra carbon credits.

There is this weird case of carbon accounting. “Shell sold to Canada’s largest oil sands companies millions of carbon credits tied to CO₂ removal that never took place, raising new doubts about a technology seen as crucial to mitigating greenhouse […]