Controversial carbon credits flood COP28, yet still no rules

The COP28 climate talks have been flooded with announcements hyping controversial carbon credits before rules for them have been hammered out, with environmental groups fearing “greenwashing” on a massive scale.

The concept behind the credits has taken a major hit recently as scientific research has repeatedly shown claims of reduced emissions under the schemes are often hugely overestimated—or simply non-existent.