The Carbon Trust Standard

The Carbon Trust Standard recognises organisations that follow best practice in measuring, managing and reducing their environmental impact.


More than 1,100 organisations around the globe have certified with the Carbon Trust, from public sector bodies to leading companies and brands.

See a full list of Standard Bearers 


  • Be recognised as an environmentally responsible organisation 
  • Enhance reputation and brand loyalty
  • Deliver efficiencies and reduce costs
  • Benchmark resource management performance
  • Facilitate compliance with environmental reporting frameworks eg EU regulations and BITC Corporate Responsibility Index
  • Comply with contracting and procurement requirements for independently-verified environmental impact data and management frameworks

Our Standards

The Carbon Trust Standard for Carbon

CT Standard reducing CO2 logo

A certification and mark of excellence that enables organisations to demonstrate their success in cutting their carbon footprint. 

The Carbon Trust Standard for Water

CT Standard logo - reducing water

 Recognising organisations that take a best practice approach to measuring and managing their water use, achieving real reductions in this year-on-year. 

The Carbon Trust Standard for Waste

CT standard logo - reducing waste

Recognising organisations that can demonstrate real reductions in waste streams year-on-year, or that waste is being dealt with more effectively, for example through increased recovery, recycling or reuse.

The Carbon Trust Standard for Zero Waste to Landfill

CT standard logo - zero waste to landfill

Recognising organisations that take a best practice approach to waste management and actively divert all appropriate waste streams from landfill.

Carbon Trust Standard for Supply Chain

CT Standard logo - reducing CO2 in supply chain

The  world’s first independent certification for organisations that are measuring, managing and reducing greenhouse gas (CO2e) emissions in their supply chains. 

Find out more and speak to one of our experts

Get in touch to discuss the best solution for your business and how we can help you achieve your sustainability goals.