Designer Gabriela Hearst accepted a TIME Earth Award on Wednesday, presented to her by actress Jodie Comer, who praised Hearst’s commitment to sustainability through simplicity. Hearst made clear that the admiration was mutual. “Artists and scientists hold the important keys to get us out of the mess we have gotten ourselves in,” she said before discussing her passion for clean energy. [time-brightcove not-tgx=”true”] Hearst has weaved sustainability into her namesake company’s practices—her brand sells handbags on a made-to-order basis, and is constantly finding new ways to reduce waste in packaging and fabrics.