一项新的研究表明，澳大利亚昆士兰的热带森林不再有效吸收碳，变成了碳排放源

BBC

Australia's rainforests are releasing more carbon than they absorb, warn scientists

nature

Aboveground biomass in Australian tropical forests now a net carbon source

The Guardian

Australian tropical rainforest trees switch in world first from carbon sink to emissions source