While the fashion industry is slowly changing, there are labels that have long been setting new standards — quietly but effectively. Away from the mainstream, brands are emerging that stand out not only for their stylish collections, but also for their ecological materials, fair working conditions and innovative ideas. Here are ten sustainable fashion labels that are (still) real insider tips — and with good reason. 1. Tranquillo — sustainability with color and cheerfulness Tranquillo brings a breath of fresh air to the world of sustainable women’s fashion. The label from Dresden stands for playful patterns, bright colors and cuts that combine femininity and comfort. It uses certified materials such…