The mining and specifically gold mining industries are also moving towards more sustainable practices, especially given that the industry is one of the most environmentally destructive. Indeed, regarding gold mining, Northwestern University scientists have, in the laboratory, discovered an inexpensive and environmentally sustainable method that uses simple cornstarch—instead of cyanide—to isolate gold from raw materials in a selective manner. Such a method will reduce the amount of cyanide released into the environment during gold extraction from raw ore, with one of the Northwestern University scientists, Sir Fraser Stoddart stating that: “The elimination of cyanide from the gold industry is of the utmost importance environmentally". Additionally, the retail jewelry industry is now trying to be totally sustainable, with companies using green energy providers and recycling more, as well as preventing the use of mined-so called 'virgin gold' by applying re-finishing methods on pieces and re-selling them. Furthermore, the customer may opt for Fairtrade Gold, which gives a better deal to small scale and artisanal miners, and is an element of sustainable business. However, not all think that mining can be sustainable and much more must be done, noting that mining in general is in need of greater regional and international legislation and regulation, which is a valid point given the huge impact mining has on the planet and the huge number of products and goods that are made wholly or partly from mined materials.