By Alex Lauer Where do NFTs go next? As it stands, the non-fungible token arena has a big problem with fraud, especially among the blockchain-based units that are simply tied to digital art. But Mick Gow, a self-described NFT artist, designer and photographer, has a vision for tokens that offer up more utility, and potentially a healthy dose of environmentalism. At the end of January, Gow launched National Park NFTs, a collection of 4,825 digital tokens, each depicting one of the 63 U.S. national parks. (The initiative is not affiliated with the National Park Service.) The NFTs reportedly sold…