It's important for celebrities, environmentalists and world leaders to continue to increase education and eco-awareness through the forums provided to them naturally by virtue of being famous. Take inspiration from these words of wisdom from a Nazi-era teenager and concentration camp victim: "how wonderful it is that nobody need wait a single moment before starting to improve the world."
As you might imagine, if you're a teenager having a couple of people with microphones and guns always following you around, that could grate on them. But you know, they've handled it with grace and I give Michelle [Obama] most of the credit for how well they've done, but I also just think they are graceful, good young, young women.