Wata sanarwa daga Hukumar Kasa da Kasa ta Meteorology (WMO) ta bayyana cewa gasannin gida duniya sun kai tarihin tsawo a shekarar 2023. Dangane da rahoton WMO Greenhouse Gas Bulletin, hayaki na carbon dioxide (CO2) sun kai 420 parts per million (ppm), wanda ya nuna karuwa ta hanyar 2.3 ppm a shekarar da ta gabata.
Karuwar hayaki na CO2 a shekarar 2023 ya marka shekara ta 12 a jere da karuwa ta hanyar zaidi ya 2 ppm. Wannan ya nuna cewa hayaki na CO2 ke tarawa cikin sararin samaniya zaidi yadda yake da gabata.
Hayaki na methane da nitrous oxide sun kuma kai tarihin tsawo. Hayaki na methane sun kai 1,934 parts per billion, yayin da hayaki na nitrous oxide sun kai 336 parts per billion. Wannan ya nuna tsananin matsalar canjin yanayi da ke fuskantar duniya.
Rahoton WMO ya bayyana cewa karuwar hayaki na CO2 ta hanyar zaidi ya 10% a cikin shekaru 20 da suka gabata ya nuna cewa duniya tana fuskantar barazana mai girma na canjin yanayi. Hakan ya sa ake tsammanin zafin jiki na duniya zai ci gaba da karuwa a shekaru masu zuwa.
