Ethical fashion means fashion that is produced with care shown to the workers and the environment, as opposed to "fast fashion" which focuses on creating clothes quickly and cheaply without considering who is exploited or what harm is caused.
To learn more, check out the links below:
"What Does Sustainable Fashion Really Mean?"
"Why Do We Need a Fashion Revolution?"
"Eco-Friendly Fashion Guide"
Teen World Changer
Why a teenager who loves fashion changed how she shopped.