Which celebrity famously refused a $10 million endorsement from a fast fashion brand in 2019 to instead launch their own sustainable clothing line made from recycled ocean plastic?

Many celebrities have launched or endorsed sustainable product lines to leverage their influence for environmental causes. These initiatives often transform industries and consumer behavior through star power. Test your knowledge about famous figures who've made significant impacts in retail sustainability - from fashion to beauty to home goods. Can you identify which eco-conscious ventures belong to which celebrities?

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Leonardo DiCaprio
Emma Watson
Mark Ruffalo
Jessica Alba