October 2026
45 upcoming events. See the full calendar.
Unblocktober
Month-long UK campaign to improve the health of drains, sewers, watercourses and seas by changing habits at home and work.
📍 Online
Circular Economy Week 2026
Week-long programme of more than 50 events supporting a circular, resilient economy.
📍 London and beyond
Devolution, Resources, Resilience
Policy event on place-based circular action, devolution and resource resilience.
📍 Central London
Empower your business: Build resilience with the circular economy
Half-day event helping SMEs identify actionable circular-economy strategies.
📍 Greenwich Campus, 94-95 Plumstead Road, SE18 7DQ
Global Forum Environmental and Water Resources Engineering
Conference on environmental and water resources engineering in Bali, Indonesia.
Blue Earth Summit 2026
Join a multi-day festival gathering innovators, investors, policymakers, and leaders to accelerate regenerative solutions through collaboration.
📍 London
Accounting for Nature: Measuring Carbon Sequestration from Green Assets
Webinar on measuring carbon sequestration associated with green infrastructure and assets.
📍 Microsoft Teams
Circular Tech Expo 2026
Enterprise event on secure reuse, lifecycle management, data-centre decommissioning and circular IT.
📍 Farnborough International Exhibition & Conference Centre
Constructed Wetlands for Wastewater Treatment
Online event series on using constructed wetlands for wastewater treatment.
📍 Online
Critical Minerals Innovation Forum
Business forum on responsible critical-mineral supply chains and circular business models.
📍 London
EarthScale in Nottingham: Accelerating Climate Tech Across the Midlands
Regional event on commercialising and scaling climate technologies across the Midlands.
📍 Jubilee Conference Centre, Triumph Road
Galvanising Geothermal – Delivering Demand
Industry event focused on stimulating geothermal demand and project delivery.
📍 London
ISEP Connect 2026
Two-day online sustainability conference for environmental and sustainability professionals, with expert insights, practical learning and networking.
📍 Online
Environmental Sustainability Seminar 2026
Practical seminar on turning hospitality sustainability action into cost savings and growth.
📍 London Marriott Hotel Regents Park, 128 King Henry's Road, NW3 3ST
October Mayfair ESG Sector Networking Lunch
Central London lunch for building professional ESG connections.
📍 Jaks of Mayfair
ISEP Foundation Certificate in Sustainability and Environmental Management
A 5-day (40-hour) professional qualification covering emissions, carbon tracking, compliance, stakeholder engagement and environmental risk management, delivered online by Northumbria University for ISEP.
📍 Online Delivery
Decarbonising Blue Light Fleets
Webinar focused on practical decarbonisation of blue-light vehicle fleets.
📍 Online
Resilient & Sustainable Supply Chains: why Scope 3 is where delivery fails
A symposium uniting industry and academia to tackle Scope 3 construction emissions and supply-chain barriers.
📍 Online
Waste Sustainability & Investment Summit
Senior forum on the commercial, regulatory and investment realities of waste and resources.
📍 One Great George Street
York Green Business Forum: Lower Costs, Better Business
York Green Business Forum session for local businesses focused on reducing costs and improving sustainability.
📍 York
World Food Day
A global day focused on food systems, hunger, and sustainable agriculture.
📍 Global
SNSS Future Landscape Conference 2026
Conference on integrated and collaborative approaches to resilient future landscapes.
📍 SRUC Barony Campus
Countdown to COP31: Accelerating Action in a World of Extremes
Public event considering how to accelerate action ahead of COP31.
📍 Location shared after registration
FT Energy Transition Summit 2026
Senior summit on energy security, affordability, investment and transition delivery.
📍 London
Saving Species Conference 2026
Community-focused conference dedicated to practical species conservation.
📍 Brixham Laboratory, Freshwater Quarry, TQ5 8BA
Talk: Healthy Homes in a Net Zero Transition
Panel discussion at Oxford Brookes on how the net zero transition affects the health of our homes.
📍 John Henry Brookes Building
Talk: Healthy Homes in a Net Zero Transition
Panel on how low-carbon housing upgrades affect building performance and occupant health.
📍 John Henry Brookes Building, Gipsy Lane, Headington, OX3 0BP
Sustainability Europe 2026
Two-day business sustainability conference for senior leaders in London.
📍 London
GREENFLEET Connect 2026
Fleet-industry event focused on cleaner vehicles, charging and operational decarbonisation.
📍 See organiser page
Sustainability Europe 2026
Cross-functional responsible-business conference focused on resilient, commercially relevant sustainability.
📍 London
Wildfire Resilience Summit 2026
Online summit on preparing UK forestry for increasing wildfire risk.
📍 Online
ReGeneration Earth 2026
Join industry leaders and investors at ReGeneration Earth 2026, the UK’s premier clean industrial growth investment forum held in Leeds.
📍 The Royal Armouries
Building for the Future
A conference focused on how policy and legal changes will affect the construction sector and the wider built environment in 2026.
📍 Online
10th Electric Vehicle Seminar: Powering Scotland's EV Future
Scottish EV event covering infrastructure, skills, investment, research and innovation.
📍 Craiglockhart Campus
APSE Energy Summit: Powering Change, Building Resilience
Public-sector energy summit on delivery, collaboration and resilience.
📍 Glasgow Marriott Hotel, 500 Argyle Street, G3 8RR
Tech and Net Zero Conference 2026
Technology-sector conference on scaling digital and innovation-led climate solutions.
📍 Central London
Climate Fresk Facilitation Training
Professional certification training for running Climate Fresk workshops in corporate settings.
📍 Online
Scottish Greens Autumn Conference 2026
Hybrid conference likely to include climate, nature and green-economy policy discussions.
📍 Eden Court Theatre + online
CIWEM Northern Ireland Conference 2026: 40 Years of Progress, 40 Years of Possibility
Annual Northern Ireland water and environmental management conference.
📍 See booking page
Delivering Scotland's Energy Future
Event on practical delivery of Scotland's future low-carbon energy system.
📍 South Hall, University of Edinburgh
Publishing Scotland Environmental Sustainability Forum
Sector event for sustainability knowledge, inspiration and networking in publishing.
📍 Edinburgh Climate Change Institute, High School Yards
Technical Discussion on the Scottish Planning Biodiversity Metric with NatureScot
Technical discussion of Scotland's planning biodiversity metric.
📍 Zoom
Data-Driven Decarbonisation: Building the Business Case for Fleet Electrification
Webinar on using fleet data to create a credible electrification business case.
📍 Online
The Big Sustainability Expo 2026
The 11th edition of the UK's longest-running B2B sustainability event, featuring up to 100 exhibition stands, a speaker theatre, EV showcase, and an expo magazine.
📍 Hilton Southampton - Utilita Bowl
Regenerative Design in Digital Practice
A full-day online crash course on how digital tools can support regenerative design practice.
📍 Online