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Nations around the world have adopted more than 1200 laws to curb climate change, up from about 60 two decades ago, which is a sign of widening efforts to limit rising temperatures. The study reviews laws and executive policies in 164 nations, ranging from national cuts in greenhouse gases to curbs in emissions in sectors such as transport, power generation or industry. 47 laws had been added since world leaders adopted a Paris Agreement to combat climate change in late 2015, a slowdown from a previous peak of about 100 a year around 2009-13 when many developed nations passed laws. The study said that developing nations were legislating more but there were many gaps. Nations including Comoros, Sudan and Somalia had no climate laws.