The greenwashing files
- Which? investigates green and environmental claims
- What greenwashing is - and who's at it
- How to complain about greenwash
- Send us your examples and experiences of greenwash
What's in this guide
What is greenwash?
We identify the 10 sins of greenwash - and what to do if you think you're being greenwashed.
Greenwashing cases
Greenwash in action: we look at some benchmark greenwash ASA cases and their outcomes.
How fuel efficient are eco cars?
Eco cars: are eco cars as fuel-efficient as they say? The Which? cars team investigates.
Email us your greenwash examples
Get in touch with Which? with your examples of greenwashing or suspicious green claims.