Leading sustainability consultancy Tunley Environmental has released its 2025 Sustainability Report, delivering an in-depth analysis of the year’s pivotal advancements in climate action, biodiversity, regulatory evolution, and corporate sustainability performance. The report outlines industry progress while underscoring pressing challenges that will define environmental policies and business strategies in 2026 and beyond.
Authored by Tunley’s team of scientists and sustainability experts, the report offers sector-wide insights rooted in scientific analysis, data scrutiny, and real-world client experiences. It reflects Tunley Environmental’s ongoing dedication to aiding organisations as they adapt to changing expectations around carbon disclosure, nature stewardship, and supply chain transparency.
Key highlights from the 2025 report include major sustainability shifts such as advancements in carbon reduction, renewable energy, climate adaptation, and the integration of biodiversity into corporate governance. It also provides an overview of the evolving regulatory landscape, featuring updates related to the Corporate Sustainability Reporting Directive (CSRD), the UK’s PPN 006, global biodiversity frameworks, and the latest standards from the Science Based Targets initiative (SBTi). Additionally, it details Tunley Environmental’s impact through their knowledge-sharing efforts, including free sustainability webinars and guides, and insights from COP 30 focusing on nature-positive pathways and climate resilience financing.
Dr William Beer, CEO of Tunley Environmental, commented on the release: “2025 has been a truly remarkable year for sustainability. We’ve seen unprecedented regulatory changes alongside a growing understanding that climate and nature must be addressed together. This report reflects our mission to provide science-based insights that help organisations take meaningful action. As we move into 2026, businesses will need clarity, credibility, and robust data more than ever. Our report and services aim to support them on that journey.”
The 2025 Sustainability Report is available for download on the Tunley Environmental website. As the industry prepares for 2026, the report serves as a crucial resource, equipping organisations with the clarity and insights needed to navigate the complex sustainability landscape ahead.
