Mainland China started supplying the Hong Kong Special Administrative Region with carbon-neutral natural gas on December 19, 2021. The greenhouse gases released to produce and transport the energy were offset from buying carbon credits. Hong Kong has set a target of cutting its carbon emissions by 26-36 per cent by 2030 and achieving carbon neutrality by 2050. Power generation is currently the largest source of carbon emissions in Hong Kong, accounting for more than 65 per cent of the city’s…