India, the world’s third-biggest emitter of greenhouse gases, has pledged to achieve net-zero carbon emissions by 2070. The ambitious commitment, made on 1 November at the high-stakes
COP26 climate meeting in Glasgow, UK, brings India in line with other big emitters, including the United States, China, Saudi Arabia and the European Union, which have made similar promises.
Although scientists welcome the offering — which could contribute to the world limiting global warming to 1.5 °C — they also caution that India’s pathway to carbon zero remains uncertain.