Critics of Gina Rinehart's proposals warn that reducing immigration could lead to labor shortages, particularly in sectors that rely on migrant workers. They argue that immigrants contribute significantly to Australia's economy, culture, and diversity, and that limiting immigration could have negative social and economic consequences. Additionally, opponents express concern that withdrawing from the Paris Agreement would isolate Australia on the global stage, damage international relations, and undermine efforts to combat climate change. They believe that such actions could harm Australia's reputation as a responsible global citizen and lead to potential economic sanctions or trade restrictions.
Environmental groups and climate scientists also caution that leaving the Paris Agreement could result in increased greenhouse gas emissions, exacerbating climate change and its associated impacts on Australia, such as more frequent and severe natural disasters. They emphasize the importance of international cooperation in addressing global environmental challenges.