碳去除在實現淨零排放中的重要性 The Importance of Carbon Dioxide Removal for Achieving Net Zero

碳去除(CDR)將和快速深度脫碳一起,使全球有50%的機會將氣候變暖控制在1.5°C之內。 Carbon dioxide removal (CDR), together with rapid deep decarbonization, gives the world a 50% chance of limiting global warming to 1.5°C.

從現在到2050年,全球需要去除至少70至220億噸二氧化碳,以限制累積淨排放。 From now until 2050, the world will require at least 70-220 GtCO2 removal to constrain cumulative net emissions.

碳去除的幾種主要方法包括: Key carbon removal approaches include:

- 森林管理 - 吸收和儲存CO2

• Forest management - absorbing and storing CO2

- 生物能碳捕集與封存 - 將生物能排放的CO2捕集並封存

• BECCS - capturing and sequestering CO2 from bioenergy

- 對土壤碳的管理 - 增加土壤碳儲存

• Soil carbon management - increasing soil carbon sequestration

- 岩石風化加速 - 加速CO2與矿物的自然反應

• Enhanced weathering - accelerating natural reactions of CO2 with minerals

- 直接空氣捕集 - 從空氣中提取CO2

• Direct air capture - extracting CO2 from ambient air

要大規模實現碳去除,需要政策支持和大量投資。 Achieving CDR at scale requires policy incentives and substantial investment.

碳去除可以補充減排,特別是在難以快速實現零排放的領域。 CDR complements mitigation, especially in areas difficult to decarbonize rapidly.

然而,必須優先最大限度地減少排放。碳去除不是減排的替代。 However, maximizing emission cuts should still be prioritized. CDR does not replace mitigation.

通過聯合使用減排和碳去除,我們可以實現淨零排放,限制氣候變化。 By using mitigation and CDR jointly, we can achieve net zero and limit climate change.

常見問答

什麼是碳去除?它有哪些方法? What is carbon dioxide removal? What are its methods?

碳去除是從大氣中去除並封存二氧化碳的技術。主要方法有植樹造林、BECCS、土壤碳封存、岩石風化等。

Carbon dioxide removal refers to technologies that remove and sequester CO2 from the air. Main methods include afforestation, BECCS, soil carbon sequestration, enhanced weathering, etc.

碳去除的局限性是什麼? What are limitations of carbon dioxide removal?

碳去除技術大多仍在早期發展階段,成本高昂,存有不確定性。它們不應被視為減排的替代。

Most CDR technologies are early-stage, costly, and uncertain. They should not be seen as replacements for reducing emissions.

企業可以如何支持碳去除? How can businesses support carbon dioxide removal?

企業可以投資研發,購買碳抵消信用,在運營中減碳並封存碳。

Businesses can invest in R&D, procure carbon credits, reduce and sequester emissions in operations.

個人可以如何促進碳去除? How can individuals promote carbon dioxide removal?

個人可以參與植樹活動,政治倡導,並在日常生活中力行減碳。

Individuals can join tree-planting, advocacy efforts, and reduce carbon footprints in daily life.

實現大規模碳去除面臨哪些障礙? What are barriers to scaling up carbon dioxide removal?

障礙包括高成本、地理和技術限制、缺乏政策誘因等。需要持續的技術進步和支持。

Barriers include high costs, geographic and technical constraints, lack of policy incentives. Sustained technology advancement and support are needed.