39. "Cups (Pitch Perfect's 'When I'm Gone')", by Anna KendrickContentView Iframe URL But in a month known for costumes, candy, and scary movie marathons, Taylor Swift and Calvin Harris Exchanged the Sweetest Presents for Their First AnniversaryCheck this out:Lady Gaga Greta has become world-famous in large part for this ability to state simple truths that have gone unacknowledged by many within our social, political, and economic power structures. As she puts it, making real headway on combating climate change is challenging “because our current economics are still totally dependent on burning fossil fuels, and thereby destroying ecosystems in order to create everlasting economic growth.”