What is Sustainable Finance?
Sustainable finance is the practice of incorporating Environmental, Social, and Governance (ESG) factors into financial and investment decisions to generate long-term financial returns while managing ESG and climate risk. It spans the instruments (green, social, and sustainability-linked bonds and loans), the frameworks that govern them, and the reporting that proves where the money went and the impact it created.
For issuers, it unlocks new pools of capital (green financing) and often better pricing. For responsible investors, it aims to direct capital toward businesses and projects that contribute to a more resilient and low-carbon economy aligned with regulation such as the EU Taxonomy, ISSB (IFRS S1 & S2) standards, and the International Capital Market Association Green Bond Principles.
Types of Instruments in Sustainable Finance
Sustainable finance instruments are the debt and financing structures that channel capital into environmental and social outcomes. They fall into two broad types:
- Use-of-proceeds instruments: These are financial debt tools where raised funds must be strictly allocated to specific green, social, or sustainability projects.
- Performance-linked instruments: Financing where the economic characteristics (like interest rates or coupon payments) vary depending on the borrower meeting specific sustainability performance targets (SPTs).
The main sustainable finance instruments are green bonds, social bonds, sustainability bonds, sustainability-linked bonds and loans, transition bonds, green sukuk, and blended finance.
| Instrument | Type | What it funds |
|---|
| Green bonds & loans | Use-of-proceeds | Environmental projects such as renewable energy, clean transport, green buildings |
| Social bonds | Use-of-proceeds | Social outcomes like affordable housing, healthcare, education, job creation |
| Sustainability bonds | Use-of-proceeds | A blend of green and social projects in a single instrument |
| Sustainability-linked bonds & loans (SLBs/SLLs) | Performance-linked | General corporate purposes; coupon or margin moves with performance against agreed KPIs and targets |
| Transition bonds | Use-of-proceeds | Decarbonisation of high-emitting, hard-to-abate businesses on a credible net-zero pathway |
| Green sukuk | Use-of-proceeds (Shariah-compliant) | Green assets — a fast-growing route to capital across the GCC and Southeast Asia |
| Blended finance | Structuring approach | Public, philanthropic, and concessional capital structured to de-risk and crowd in private investment |
What is Transition Finance?
Transition finance, also called climate transition finance, is funding that helps high-emitting, hard-to-abate industries such as steel, cement, shipping, and power decarbonise and move onto a credible net-zero pathway. The difference between green finance and transition finance is simple: green finance pays for activities that are already green, while transition finance funds the journey to get there, which is where the largest share of real-world emissions reductions needs to happen.
That journey comes with a higher bar for credibility. Transition finance instruments such as transition bonds, sustainability-linked structures, and the frameworks behind them are only as strong as the transition plan they rest on: science-based targets, interim milestones, and a financed pathway that regulators and investors can trust. When done well, transition finance directs capital to the emitters that matter most while protecting issuers from accusations of greenwashing.
Why Does Sustainable Finance Matter Now?
The world is mobilising more capital for climate and sustainability than ever before — but the gap between current investment and what is required remains significant. Global climate finance has grown several-fold in recent years, yet investment still falls well short of the levels needed to meet global climate and development goals.
The challenge is particularly pronounced across emerging markets and developing economies, where investment needs are rising rapidly across clean energy, resilient infrastructure, sustainable transport, nature, and other transition priorities. At the same time, governments, regulators, investors, and financial institutions are establishing clearer frameworks for directing capital towards credible sustainability outcomes.
For issuers and investors, the opportunity is clear: sustainable finance is moving from a niche market to a core part of the global capital landscape. As capital flows scale and market standards mature, organisations that establish credible, transparent, and well-governed sustainable finance frameworks today will be better positioned to access capital and respond to evolving investor and regulatory expectations.
Oren's Sustainable Finance Approach
Oren's sustainable finance advisory covers every stage of governing sustainable capital. Our five capabilities work as one integrated service: we define and develop the framework that makes an instrument credible, keep you compliant as regulations evolve, and quantify the impact you deliver — then connect you to the funding best suited to your market.
01
Sustainable Finance Framework Development
A sustainable finance framework is the governing document that makes a green, social, or sustainability-linked instrument credible to investors and reviewers. We build green bond, social bond, sustainability bond, and sustainability-linked frameworks end to end: use-of-proceeds and eligibility criteria, project evaluation and selection, management of proceeds, and reporting commitments aligned to the ICMA Principles and the Climate Bonds Standard, and ready for a second-party opinion (SPO).
02
Sustainable Finance Regulatory Compliance
Sustainable finance regulation now spans mandatory disclosure, taxonomies, and reporting standards in every major market. We map your obligations across jurisdictions and align disclosures to ISSB (IFRS S1 & S2), TCFD, the EU Taxonomy, SFDR, the CSRD, and regional taxonomies — keeping every instrument and report audit-ready as the rules evolve.
03
Impact Assessment, Reporting & SDG Alignment
Impact reporting is how you prove where sustainable finance proceeds went and what they achieved. We design the methodology, quantify avoided emissions and social outcomes, map contributions to the UN Sustainable Development Goals (SDGs), and deliver allocation and impact reports aligned to the ICMA Harmonised Framework.
04
Transition Planning & Climate Strategy Roadmap
A credible climate transition plan is a financed pathway from today’s emissions to net zero. We turn ambition into a financeable plan — materiality and ESG-maturity baseline, science-based targets (SBTi-aligned), decarbonisation pathways for hard-to-abate operations, the capex and financing to fund them, and disclosure aligned to the TPT and ISSB. One board-ready roadmap with clear owners and milestones.
05
Green Financing & Instrument Matchmaking
The right instrument depends on your pipeline, region, and cost of capital — there is no one-size-fits-all. We screen your project pipeline against the green financing instruments and incentives available in your region — green bonds, green sukuk, sustainability-linked loans, and blended or concessional capital — and match you to the right structure and the right funders.
Planning a green, social, or sustainability-linked issuance?
Tell us about your project pipeline and target market, and Oren's sustainable finance team will map the framework, standards, and instruments that fit.
Sustainable Finance Frameworks and Regulations Coverage
Sustainable finance is governed by three layers of standards:
- Instrument principles that define what makes a bond or loan credible
- Disclosure regimes that mandate what issuers must report
- Taxonomies that classify which activities count as green
The core frameworks include the ICMA Green, Social & Sustainability Bond Principles, the Climate Bonds Standard, the EU Taxonomy, SFDR, the CSRD, ISSB (IFRS S1 & S2), and TCFD.
| Category | Frameworks & standards we work across |
|---|
| Instrument principles | ICMA Green, Social & Sustainability Bond Principles; Sustainability-Linked Bond & Loan Principles; Climate Bonds Standard |
| Disclosure & reporting | ISSB (IFRS S1 & S2), TCFD, GRI, SASB |
| Taxonomies & regional rules | EU Taxonomy, SFDR; UK SDR; GCC & APAC regional taxonomies; India (SEBI) BRSR & green bond norms |
| Targets & transition | SBTi, Transition Plan Taskforce (TPT), Paris Agreement pathways |
| Impact & goals | UN SDGs, ICMA Harmonised Framework for Impact Reporting |