What is 'repeat dressing' and how can it help the planet?
The fashion industry has a huge impact on the environment and lots of companies have agreed they need to make changes.
A new report is asking politicians to make changes that can help lessen fashion's impact.
And there is a growing call for people to practice what is called 'repeat dressing' to do their bit to help.
But what is repeat dressing and how can it help the planet? Martin has been finding out.