Why it’s so hard to tell which climate policies actually work

NHigher climate Policies are a relatively modern invention. In 1997, according to the Grantham Institute, a thinking center at the London College of Economics, there were 60; By 2022, the number rose to nearly 3000. Its effectiveness has almost proven its measurement. In August, an international research group published the first global climate policy rating in sciencesMagazine. The study, which looked at about 1500 policies carried out in 41 countries between 1998 and 2022, found that only 63 can be linked to large discounts in emissions.