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Global carbon emissions from fossil fuels are on the rise, and 2024 is projected to be the hottest year on record. To limit global warming to 1.5°C, significant efforts are needed to both reduce emissions and remove large amounts of carbon dioxide from the atmosphere, around 7-9 billion tonnes annually. The Intergovernmental Panel on Climate Change (IPCC) emphasizes that carbon dioxide removal technology is crucial for achieving global and national net zero targets.
Australia aims to achieve net-zero emissions by 2050, which will require removing 133 million tonnes of greenhouse gases annually. This task involves utilizing both conventional (nature-based) and novel (new) carbon dioxide removal technologies. While conventional methods like tree planting and soil carbon boosting have limitations, novel approaches such as direct air capture are emerging as potential solutions.
Implementing carbon dioxide removal technologies comes with risks and tradeoffs, including potential environmental impacts and technical challenges. Ensuring transparency and mitigating risks will be crucial in developing a successful carbon removal industry. Australia’s vast land area and renewable energy resources position it well to lead in this sector.
While the focus remains on reducing emissions and preventing further carbon dioxide buildup, the urgency of the climate crisis necessitates immediate action on permanent carbon dioxide removal. Collaboration between government, industry, and research institutions will be crucial in addressing this global challenge and ensuring a sustainable future for generations to come.
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Photo credit theconversation.com
