by Kate Armitage, VP, Risk and Sustainability at OneStream
The language of reporting has changed. Once defined by profit margins and quarterly earnings, it now covers carbon footprints, energy intensity and the tracking of supply chains. Many CFOs have watched this evolution not with resistance, but with recognition: carbon reporting isn’t a distraction from value creation – it’s an enabler of it.
Despite shifts in policy with the incoming and outgoing of national administrations, we have crossed the Rubicon when it comes to sustainability, entering an era where decarbonisation is a matter of strategic financial management, not a token role for a sustainability lead. Done right, carbon reporting sharpens operational efficiency, enhances cost control, and improves access to capital – which, it goes without saying, is a pretty substantial upside.
A proper accounting of Scope 1, 2, and 3 emissions (those organisations produce directly, consume through energy, or are embedded across the value chain) provides a useful diagnostic map of inefficiencies. When we begin tracking our full emissions footprint, inefficiencies previously tolerated, unnoticed or kicked into the long grass suddenly become priorities. Equipment left idle, energy-intensive facilities in temperate climates, excessive freight movements – each is a financial cost, not only an environmental one.
Modern tools allow us to fold these insights directly into financial planning. The introduction of ESG reporting and planning solutions, like the one recently launched by OneStream, gives finance teams the capacity to collect, report and forecast emissions data within the same system used for operational budgeting and long-range scenario planning.
When carbon and cost data are brought together in the same platform, decision-making transforms. It no longer requires cross-functional guesswork to determine if switching a facility to renewable energy will justify its investment. Carbon becomes a line item, not a side note.
Decarbonisation as an investment magnet
According to OneStream’s recent Finance 2035 research, almost three-quarters (73%) of investors agree that organisations should prioritise strengthening their ESG and sustainability credentials to gain a global competitive advantage and make themselves as investable as possible.
However, in conversations with institutional investors, the question is no longer whether you have a sustainability strategy, but whether that strategy is embedded in your planning and forecasting. This integration matters. It reduces perceived greenwashing, promotes ‘auditability’, and facilitates performance benchmarking across portfolios.
The launch of integrated ESG planning tools reflects a broader trend: investors want sustainability data aligned with financial data, not in an appendix but on the balance sheet.
Yet aligning with investor expectations is not without challenge. ESG reporting is fragmented, with multiple standards – CDP, GRI, SASB, TCFD, CSRD – creating a labyrinth for CFOs to navigate. While some deadlines have softened, the direction of travel is clear: increased transparency is coming.
The hardest part of this transition is not technical, it’s organisational. Finance functions must be equipped not only with the right tools but the right frameworks, so data governance and workflow transparency are essential. If carbon data is to be treated with the same rigour as financial data, then ESG reporting needs to follow the same protocols: validated inputs, transparent assumptions, traceable forecasts.
The new language of decision-making
For CFOs, the path forward is both clear and complex. Their task is to unify two historically separate domains, ESG and finance, into a single strategic language. But when sustainability metrics sit alongside financial KPIs in boardroom discussions, we gain a richer understanding of opportunity and risk – which is the carrot to the regulatory stick. A new product line is no longer judged on margin, it must also clear considerations related to embedded emissions, regulatory exposure and reputational impact.
Ultimately, the move to align ESG and financial planning is not just a response to market forces or regulatory momentum. It is a recognition that we live in a world of compounding risk—climate, geopolitical, financial – and that risk cannot be managed in silos.
Sustainability, when done well, is not a story about virtue; it’s about foresight, precision and resilience. CFOs are not just stewards of capital, they are stewards of strategy, and the strategy that ignores carbon, ignores risk. The strategy that embraces it, unlocks the future.
