Large parts of Appalachia’s forests, once owned by coal companies, now make money for investors by storing carbon. But the results bring few jobs or sizable investments for residents.

Crofters who have managed the land for centuries are being offered dubious rewards to risk their rights.

Big name food brands are pursuing decarbonisation – but they are squeezing farmers in the process.

We need to urgently reform the way forest conservation is measured and sold as a way to offset emissions.

Most of the carbon disturbed by trawls is unreactive and difficult to convert to CO₂.

Airlines are promising net-zero emissions by 2050. To get there, they’re experimenting with used cooking oil, ag waste and corn ethanol in their fuel tanks. But that alone won’t be enough.

Millions of dollars have gone into California’s forest carbon offset program – with little new carbon storage to show for it, a new study suggests.

‘Blue carbon’ habitats can store a lot of carbon – but not reliably enough to offset emissions.