双碳

1. • "double carbon", i.e. peak carbon 碳达峰 tàndáfēng and carbon neutrality 碳中和 tànzhōnghé
2. • China's double carbon policy, announced in 2020, which aims to reach peak carbon use by 2030 and achieve carbon neutrality by 2060

Character by character

• 双(shuāng)surname Shuang
• 碳(tàn)carbon