Hong Kong as an International Carbon Trading Hub

The G20 finance ministers and central bank governors acknowledged last year that a carbon price is one of the important tools for tackling climate risks. Hong Kong’s green finance and carbon trading developments are about a decade behind other mature financial economies such as Europe.


Introduction: Sustainable Investment and Carbon Trading

Many corporate executives used to view environmental, social and governance (ESG) initiatives as sole contributions to society and often considered them as resource drains or corporate expenses. Recent research and company reports show that firms’ ESG and green finance strategies could be profitable and yet socially beneficial. For instance, ESG strategies can help companies win the war for talents, connect with clients, create social media sound bites, and display their concerns for local communities. As such, many companies have recently engaged in sustainable or green investment and financing. Critics are concerned about the potentially distortive effects of companies’ green investment and funding strategies. Some simply refer to them as “green washing” activities and remain doubtful about their actual social benefit.

This study aims to share some preliminary views about developing Hong Kong as a carbon trading hub based on other countries’ or regions’ policies and experiences. Carbon trading can be classified as either “compliance” or “voluntary”. According to the United Nations’ Framework Convention on Climate Change in 1992, carbon trading refers to a country, region or enterprise obtaining the right to emit pollutants. Twenty-nine years later, at the 2021 United Nations’ Climate Change Summit (COP26), governments and enterprises jointly formulated a path to achieve net zero emissions by 2050 in order to prevent the Earth from warming by more than 1.5°C. The global carbon price was $51.45 per ton of carbon dioxide by the end of 2021, but according to IHS Markit, the carbon allowance price is estimated to have to reach $147 per ton of CO2 in order to meet the 1.5°C target. In other words, the potential of carbon pricing is largely untapped, and most carbon prices are too low to drive large-scale decarbonization.

Carbon trading is a market-based emission-reduction and thus energy-saving solution. The government formulates and controls the total amount of pollution and allocation mechanism, while enterprises obtain allowances according to regulations and their needs to decide whether and how many pollution allowances to purchase or sell in the trading market. For example, although the leading electric vehicle producer Tesla was excluded from the S&P 500 ESG Index this year, its total annual profit in 2021 was US$5.519 billion, of which US$1.465 billion or a quarter of the company’s total profits was from selling carbon credits. In sum, carbon trading will be an important part of corporates’ strategies and countries’ carbon reduction in the future.

There are important advantages of using carbon-credit trading to achieve carbon emission goals rather than relying on a carbon tax or cap. Theoretically, carefully designed individualized carbon taxes can help regulators achieve desired carbon emission goals. However, for such taxes to be effective, regulators need to have good information about the benefits individual companies derive from carbon-emitting economic activities and the costs associated with their emission abatement, which is unrealistic. The regulator may also impose an overall quota, break it down into individual quotas, and allocate them to different companies. Similar to carbon taxes, without good information about individual companies, the imposed quotas will be ad hoc and unable to reflect individual companies’ different environmental impacts. Also, when some firms face hard constraints to meet production goals, e.g., due to contractual obligations, they would pay a fine instead of complying with the quotas issued to them.

A carbon trading system, on the other hand, allows companies to buy or sell the rights to carbon emissions based on their individual needs. Given the equilibrium price for the carbon credit, companies deriving the higher benefits per metric ton of CO2 emission will buy the credit to increase emissions while those who derive lower benefits will sell the emission right. This way, the right to pollute will be used by companies that can generate the highest economic benefit from the emission. Therefore, even if the carbon credits are not allocated according to the companies who need them the most, the trading system ensures they’ll be bought by them. Allowing companies to produce carbon offset credits further enhances the system. This policy encourages companies that can most cost-effectively offset emissions generated by others to do so, further enhancing the economic efficiency for any given level of carbon emissions permitted.

A good case study for Hong Kong to consider is Switzerland’s dual-track policy approach, which has combined carbon trading and a carbon tax since 2008. Switzerland’s approach to reduce carbon and develop a carbon trading market can be roughly divided into three stages over a decade:

Phase (1): Switzerland implemented voluntary carbon emissions trading from 2009 to 2012, aiming to reduce carbon emissions by 8% compared to 1990.

Phase (2): From 2013 to 2020, Switzerland switched to a mandatory carbon trading system, with a targeted reduction of 1.7% of the quotas each year, and with 5% of the quotas reserved for auctions or newly registered companies. A carbon tax system was implemented concurrently. Companies engaged in carbon trading would be exempted from carbon tax from 2013 to 2020.

Phase (3): The Swiss carbon market was linked to the EU carbon market from 2020.

As revealed by the approach adopted by Switzerland, the establishment of links between different carbon markets comes with scale effects and can generate more trading opportunities. Compared to the EU, the Swiss carbon market was small and less liquid, with much higher allowance prices. It enhanced its competitiveness through cooperation with the EU carbon market.

Carbon Trading – An Indispensable Element to Consolidate Hong Kong’s IFC Status

The main push by Hong Kong policymakers and financiers towards carbon neutrality has been based on various green financing initiatives to encourage companies to invest in projects with certain ESG-friendly measures. For example, the MTR’s construction of the eastern section of the South Island Line will reduce carbon dioxide emissions by about 21,000 metric tons per year.  If a carbon trading platform can be established in Hong Kong and a mechanism for corporations to earn carbon credits is developed, then companies like MTR can use its competitive advantage to profit by trading credits, in addition to doing good for society. Capital markets can then convert tradable carbon rights into retail exchange-traded funds (ETFs), such as one of the largest asset management (by assets under management) voluntary carbon trading ETFs, KraneShares Global Carbon ETF (ticker: KRBN). Since its launch in July 2020, the net asset value under management already exceeds US$1 billion. In the past two years, the fund price has grown by over 120% (up to end of July 2022).

Many companies in Hong Kong’s capital market have the potential to participate in carbon trading, such as many world-leading companies in the electric vehicles and new energy industries. Currently, there are limited carbon trading markets in Asia except Mainland China. An open and well-functioning carbon market can be an important attraction for global capital. Riding on the trend in global banking and finance on developing carbon trading and strengthening ESG-related disclosure, a potential carbon trading market in Hong Kong can attract more green capital and new energy companies to raise funds and get listed in Hong Kong. Regulators should encourage companies to use ESG disclosure as a business strategy to connect with global markets and attract more foreign capital. In addition, we also need to think about how Hong Kong, as a ‘super-connector’, can introduce funds for mainland enterprises to ‘go global’ and raise funds through their green finance listings.

Suggested Strategies

Strategy 1: Facilitate Public Private Partnerships (PPP), Use Blockchain Technologies, and Articulate International Standards to Avoid Greenwashing

The “Green and Sustainable Finance Inter-agency Steering Group” of the Securities and Futures Commission (SFC) recommended policymakers to strengthen the current requirements for corporates to disclose their ESG engagement, improve the monitoring of fund managers’ sustainable investment procedures, and build a regulatory framework for carbon markets. These recommendations aim to turn Hong Kong into a green capital market. A sustainable investing cycle involves investment guidelines, asset allocation decisions, portfolio construction, portfolio management and monitoring, active ownership engagement, as well as ESG reporting. The International Sustainability Standards Board (ISSB) aims to formulate the first set of international sustainability standards by the end of 2022 or early 2023. This transition period is a critical time for policymakers, capital markets, and enterprises to deepen their understanding on sustainable investment and equip themselves to meet a new era of carbon trading.

Currently, around 90% of global carbon credit transactions is processed by Xpansiv, a U.S. based carbon trading platform. Consider a carbon trading transaction that can achieve a metric ton reduction of carbon. Both sides of the transaction face the problem of computing the liability associated with the carbon emitted over a certain period and determining which authority will measure the amount of carbon emission reductions. There is currently no single authoritative standard for net zero emissions. Some organizations state that they have achieved net-zero emissions by adopting certain green energy or abatement technologies. Some purchase credits to offset emission at a minimum price, while claiming to have achieved zero carbon emissions. Such differences in behavior pose major challenges for investors looking for more sustainable investments.

Building a carbon trading hub requires a carbon trading ecosystem. Hong Kong could leverage its reputation as an international financial center (IFC), its strong legal system, and its strength in Fintech to build an internationally recognized third-party verification system for companies’ carbon emission and credits. It should also consider deploying blockchain technologies to relate a specific carbon credit to a gas emission based on a unique code.  The blockchain-backed code can help market participants determine the value of the carbon projects. It also helps confirm that each unit of carbon is only calculated once and can be tracked for its entire “journey”, from data collection, analysis, all the way to the verification stage of the project. Making good use of Hong Kong’s existing strengths, the local bourse Hong Kong Exchanges and Clearing (HKEX) could consider establishing an official evidence-based greenhouse gas (GHG) emission reduction platform with a top-tier third party verification process. Given its mandates and expertise, HKEX is in a better position than private companies to establish a world’s carbon trading hub.

Strategy 2: Green Education: Include More Green Finance Courses in CEF Structure

HSBC’s 2021 Sustainable Financing and Investment Survey found that 40% of Asian institutional investors have difficulty investing in ESG due to the lack of expertise or qualified talents. Only 39% of the surveyed investors have an ESG investment or corporate policy in place, significantly lagging behind 91% in Europe and 72% in the US. In Asia, green finance is an emerging industry and there are plenty of opportunities. More companies will want to be perceived as a contributor to sustainable development, including not only green investment and carbon trading, but also ESG reporting and auditing, community relations, as well as corporate social responsibility supply chain management. Such developments will likely increase the demand for a large number of ESG professionals, providing new job opportunities to the young generation as the industry’s development takes shape. However, up to now, only limited number of courses related to sustainability are certified as Continuing Education Fund (CEF) courses, which reimburse students for part of their tuition fees. For example, international standards like GRI, BEAM Pro, LEED AP, WELL AP, CFA Green Investing, Certified ESG Analyst are highly recommended for green finance professionals. Policymakers should identify investors and provide support for continuous education on sustainable investment and carbon trading.

Universities in Hong Kong are also in a good position to contribute to green education. We hope to see new sustainability and ESG focused undergraduate and postgraduate degree and certificate programmes being offered soon. Filling the ESG talent gap in Hong Kong will play a critical role in the overall strategy of developing Hong Kong into a green finance and carbon credit trading hub.

Strategy 3: HKEX as an Agent Building an Official Platform and Standards for the Carbon Trading Market and Connect with GBA

In 2011, the national pilot scheme of carbon emission trading was launched in 7 provinces and cities across China. In 2021, the trading of the national carbon market was launched. A few key obstacles can be identified based on Mainland China’s experiences. First, China’s carbon market is mainly driven by emission control by companies with real carbon emission needs. Relatedly, there are not enough institutional investors trading in the market. Power generating companies, which have recently been affected by the squeeze between declining electricity prices but rising coal prices, would naturally prefer to participate more actively in carbon trading as a way to diversify risks.

Second, large price fluctuation among seven carbon market pilots in Mainland China is not conducive to the long term development of carbon markets. Low carbon prices will give people the illusion that reducing carbon dioxide emissions can be done at low costs. High prices are not good for carbon transformation. Carbon trading serves not only as a financial product, but also serves a social purpose. Effective pricing in an efficient market defined by transparency and liquidity is important.

Based on Mainland China’s pilot scheme experiences, the key market regulators in Hong Kong should advocate lower management fees of various mutual funds and ETFs. Many green funds and ETFs in Hong Kong currently charge more than 1%, which is usually higher than that in mature green financial markets such as Europe and the US. Meanwhile, the audit and assurance processes for carbon credits are still not fully developed due to the existence of many different standards in the global carbon trading markets. HKEX should aim to build an official platform for the Greater Bay Area (GBA) carbon market and provide professional ESG standards and audits, leveraging Hong Kong’s IFC status. Efficient market pricing for emission reductions can encourage more companies to trade voluntary emission allowances through Hong Kong’s carbon trading platform. The proposed carbon trading market should use fintech and blockchain technologies to develop a credible third-party verification scheme.

The current government’s emission reduction policy is mainly based on the “Hong Kong Climate Action Blueprint 2050” released in 2021, with the promotion of the use of renewable energy and low-carbon power generation technologies as the main approach to offset carbon footprints. In addition, Hong Kong policymakers can consider the future role of Hong Kong in the Regional Comprehensive Economic Partnership (RCEP) and the GBA, particularly in China’s carbon markets. The institutional interconnection of carbon markets with neighboring economies is also an important goal for policymakers to dismantle and loosen corporate barriers, so as to enhance the HKSAR’s leadership in green finance and tackling climate risks.

Conclusions

The G20 finance ministers and central bank governors acknowledged last year that a carbon price is one of the important tools for tackling climate risks. Hong Kong’s green finance and carbon trading developments are about a decade behind other mature financial economies such as Europe. It is time to catch up and contribute to the development of the green economy in Mainland China and the region. At the occasion of the 25th year anniversary of the HKSAR, we hope that stakeholders can jointly promote the development of the carbon trading market as a key part of the city’s repositioned international financial center, which shall in turn create a variety of good jobs with upward mobility for the next generation.

Translation

香港譜寫國際碳交易樞紐新章


房育輝、鄧希煒


引言:可持續投資與碳交易


以往不少企業行政人員認為「環境、社會及管治」(Environment, Social, and Governance;簡稱ESG)的貢獻僅限於社會層面,而往往視之為對企業資源或開支的耗費。據近期研究及公司報告顯示,ESG 及綠色金融策略可為企業帶來盈利之餘,亦能令整體社會受惠。例如ESG策略有助企業在人才爭奪戰中勝出、聯繫客戶、創作社交媒體金句,表達對營運地區內社群的關顧等等。因此,不少企業已開始從事可持續投資和綠色金融。但仍有人顧慮綠色投資和融資策略有產生扭曲效應之虞,部分反對者更稱之為「綠色洗錢」活動,對其實際社會效益深表懷疑。

本文旨在借鑑其他國家或地區的政策和經驗,就香港如何發展成為碳交易樞紐與讀者分享初步意見。碳交易可以分為合規或自願,此概念源自1992年通過的《聯合國氣候變化框架公約》,意指一個國家、地區或企業通過合法渠道,獲准排放污染物的權利。時隔29年,2021年聯合國氣候變化大會(COP26)落幕,各國政府和企業共同制定2050年實現淨零排放的路徑,把地球升溫控制在攝氏1.5度之內。截至2021年年底,全球碳排放權價格達每噸51.45美元,但據IHS Markit估計,碳限額需要增至每噸147美元,才能合乎攝氏1.5度全球變暖的限制條件。換言之,碳排放權交易的潛力在很大程度上尚未開發,而且往往因價格太低而無法推動大規模脫碳。目前,政府和私營公司的可持續發展和氣候政策仍遠遠落後於預期。

碳交易以市場主導,是一項透過減排而達致節能的方案。政府制定和控制污染總量和分配的機制,企業可按規例獲得配額,並根據自身減排情況,決定在交易市場上增購或出售配額。舉例來說,電動車龍頭Tesla今年雖然意外被剔出標普500 ESG指數,但2021年該公司全年總利潤為55.19億美元,其中14.65億美元來自出售碳信用(carbon credit),亦即碳交易佔其總盈利四分之一。由此可見,碳交易將成為企業策略和各國減碳措施的關鍵。

利用碳信用交易實現碳排放目標比依靠碳稅或碳排放上限具有重要優勢。理論上,碳排放稅只要設計妥善,監管機構就能藉此實現減排目標。然而,要碳排放稅行之有效,監管機構須掌握各家企業從碳排放經濟活動中所得利潤,及其減排成本,未免不切實際。監管機構亦可制訂整體配額,再分拆成個別配額,然後分配給不同企業;但一如碳稅,若未能充分掌握個別企業的相關資訊,所撥配額未能反映不同企業對環境造成的實際危害。此外,一旦企業在生產目標上受制於嚴苛規限,例如合約責任,就會寧可支付罰款,亦不按配額規定辦事。

另一方面,碳交易制度則容許企業各按所需,購買或出售碳排放權。鑑於碳信用產品的平衡價格,每公噸二氧化碳排放獲益較高的公司自會購買碳信用產品,而獲益較低的企業則會出售排放權。這可使從排放中獲益最高的公司獲得排放權,以致即使碳信用額未能按公司所需分配,碳排放權交易制度亦足以確保最需要配額的公司能購買得到。容許企業提供碳抵消信用額度,則令交易制度更臻完善。這一鼓勵政策通過成本效益最高的辦法,抵消其他公司的碳排放;在指定碳排放限額之下,得以進一步提升經濟效率。

可供香港參考的成功個案是瑞士的雙軌制。該國自2008年起將碳排放權交易市場和碳排放稅並行,減碳和發展交易市場的過程大致分為3個階段,歷時十數年。

階段1:2009至2012年,實施自願碳排放交易,目標在1990年的基礎上減少8% 的碳排放。

階段2:2013至2020年,瑞士轉為強制性碳排放權交易體系,每年配額總量的目標減幅為1.7%,並預留5%配額用作拍賣或給新註冊公司。與此同時,亦實行碳排放稅制,參與碳排放權交易的公司在2013至2020年可獲免徵碳稅。

階段3:自2020年起,瑞士碳市場與歐盟碳市場掛鈎。

瑞士的發展途徑顯示,不同碳市場之間建立聯繫,能創造規模效應,帶來更多交易機會。與歐盟相比,瑞士碳市場規模小、資本流動性較低,但配額價格卻高得多。瑞士通過與歐盟碳市場合作,得以提升其競爭力。

碳交易──鞏固香港作為國際金融中心地位不可或缺的要素


香港政策制定者和融資者推動碳中和的重點,一直以綠色金融方案為基礎,促進企業投資於採用特定ESG友善措施的項目。例如港鐵興建的南港島線(東段),每年可減少碳排放21,000公噸。若能在香港建立碳交易平台並建立了企業能獲取碳信用的渠道,港鐵等公司就能在造福社會之餘,利用其競爭優勢通過碳信用商品交易獲利。資本市場隨即可將可交易碳權轉化為零售交易所買賣基金(ETF),例如KraneShares Global Carbon ETF(美股代碼:KRBN),就是其中一個最大的資產管理(AuM)自願碳交易ETF。自2020年7月推出以來,資產管理的淨值超過10億美元,近兩年來,該基金的價格上升超過120%(截至2022年7月底)。

香港資本市場中有不少公司具備參與碳交易的潛力,包括不少領先世界的電動車和新能源產業。目前,除內地以外,亞洲的碳交易市場規模有限,若能建設一個開放、運作暢順的碳交易市場,對環球資金無疑極具吸引力。正當全球銀行及金融業銳意發展碳交易並加強ESG相關披露,香港正好順應時勢,在本地建立碳交易市場,以便吸引更多綠色資金和新能源公司來港集資上市。監管機構則應推動企業以ESG披露為商業策略,而與環球市場接軌,並招徠更多外國資金。此外,香港亦應思考如何以「超級聯繫人」角色引進資本,助力內地企業「走出去」,並且通過綠色融資上市籌集資金。 

建議策略


策略1:促進公私營合作、運用區塊鏈技術和銜接國際標準以杜絕「綠色洗錢」


香港證券及期貨事務監察委員會(證監會)「綠色和可持續金融跨機構督導小組」建議,政策制定者應加強企業ESG披露現有規定,改善對基金經理可持續投資程序的監察,並建立一套碳市場監管框架,以期將香港變為綠色資本市場。可持續投資循環包含投資指引、資產分配決策、投資組合構建、投資組合管理及監察、積極擁有權主動參與,以及ESG 報告。正當國際可持續發展準則理事會(簡稱ISSB)擬於2022年年底或2023年年初完成制訂首套國際可持續發展準則之際,政策制定者、資本市場及企業應加深認識可持續投資,並為迎接碳交易新時代的來臨作好準備。

現時全球碳信用產品交易中,約有90%經由總部設於美國的碳交易平台Xpansiv進行。假設一項足以減碳1公噸的碳信用交易,交易雙方均須權衡某段時間內有關碳排放而須負的法律責任,並面對當局減碳測量的結果。目前淨零排放尚未有單一的權威標準。部分機構聲稱,透過採取某類綠色能源或減碳技術,即已實現淨零排放。另有機構則通過購買碳信用產品,以最低代價抵消排放,同時聲稱已達到淨零排放。有意物色可持續投資項目的投資者難免無所適從。

要打造碳交易樞紐,必先具備碳交易生態系統。香港具備國際金融中心的美譽、妥善穩固的法制,以及金融科技的實力,應可善加發揮,從而為企業的碳排放和碳信用建立起國際認可的第三者驗證系統。再者,應考慮運用區塊鏈技術,將特定碳信用產品與帶有獨立編碼的碳排放掛鈎。基於區塊鏈的編碼有助於市場參與者確定碳項目的價值,並確保每一碳單位只會計算一次,而從數據收集、分析,以至項目驗證階段,均可全程追蹤。善用本港固有優勢,香港交易所(港交所)可考慮設立官方證據為本的溫室氣體減排平台,其中使用頂級的第三方驗證程序。在創建國際碳交易樞紐方面,港交所理應較私營企業勝任得多。

策略2:綠色教育:令持續進修基金涵蓋更多綠色金融課程


匯豐「2021永續融資及投資調查」發現,40% 的亞洲機構投資者因缺乏專長或合資格人才,而難以投資ESG。受訪投資者中,僅有39% 持有ESG投資或已制訂相關企業政策,遠較歐洲(91%)和美國(72%)的比例為低。綠色金融是一門新興產業,在亞洲大有發展機會。有意踏入「綠色黃金跑道」的公司與日俱增,除了綠色投資和碳交易以外,範圍還包括ESG報告與審計、社區關係,以及企業社會責任供應鏈管理。此等趨勢被視為有助於大幅提升對ESG專才的需求。在這一新興產業發軔之初,年青一輩可從中把握種種新工作機會。然而,獲批准成為持續進修基金課程並可獲發還部分學費的綠色課程,至今為數有限。從事綠色金融業務的專才,尤其應努力爭取國際標準認證,包括GRI、BEAM Pro、LEED AP、WELL AP、CFA綠色投資、合格ESG分析員。政策制定者既應物色投資者,並為有關可持續投資及碳交易的持續進修提供支援。

香港的大學也處於為綠色教育做出貢獻的良好位置。我們希望看到以可持續發展和ESG為重點的新的本科和研究生學位和證書項目很快被提供。填補香港在ESG方面的人才缺口,將對香港發展成為綠色金融和碳信用交易中心的整體戰略起到關鍵作用。

策略3:港交所設碳交易市場官方平台及標準並聯繫大灣區


2011年,內地開展碳排放權交易,7個省市作為試點先行;全國碳市場隨後於2021年開始交易。根據內地經驗,可理出碳交易發展路上的幾點障礙。首先,內地碳市場主要由具實際需要的公司,按自身減排情況而帶動。順帶一提,在內地市場交易的機構投資者數量不足。電力公司近期飽受電價下跌與煤價上升的壓力,自然更樂於積極參與碳交易,從而分散風險。

其次,內地7個碳市場試點價格變動大,不利於碳市場的長遠發展。碳價偏低,容易令人誤以為二氧化碳減排成本甚低;碳價偏高,則不利於碳轉型。碳交易不單是金融產品,也有其社會功能。有效市場中的有效定價,有賴透明度和流動性,這點至關重要。

根據內地碳排放權交易試點的經驗,香港幾所主要監管機構應提倡互惠基金和ETF收取較低管理費。現時不少綠色基金和ETF的管理費都超過1%,通常較歐美的成熟綠色金融市場為低。由於全球各碳交易市場標準不一,碳信用產品的審計和保證程序仍未完全形成。港交所應致力為粵港澳大灣區碳市場建立官方平台,並提供專業ESG標準及審計,發揮香港作為國際金融中心的地位。有效的減排市場定價有助於鼓勵更多公司經由香港的碳交易平台買賣自願排放配額。建議中的碳交易市場應運用金融科技和區塊鏈技術,來制定可信的第三方驗證計劃。

現屆政府的減排政策主要基於2021年公布的《香港氣候行動藍圖2050》,以推廣使用可再生能源和低碳發電技術,作為抵消碳足跡的主要戰略。除此之外,有關當局可以考慮香港將來在《區域全面經濟夥伴協定》、大灣區,尤其是全國碳市場的角色。至於與鄰近地區實行碳市場的制度互聯互通,也是政策制定者需為企業拆牆鬆綁的一個重要目標,從而增強香港特區在綠色金融和應對氣候變化方面的領導地位。

結語


二十國集團財長與央行行長去年承認,碳價是應對氣候風險的重要工具之一。香港綠色金融和碳交易發展比其他成熟金融經濟體(如歐洲)落後約10年,必須急起直追,借助自身優勢為中國內地與區內綠色經濟的發展作出貢獻。正值香港特區回歸祖國25周年,期望各持份者能夠同心協力,促進碳交易市場的發展,作為香港國際金融中心重新定位的關鍵部分,從而為下一代向上流動創造各類優質工作。