This bands debut album was certified platinum after the success of their second studio album which includes lyrics on whose beliefs about the enviroment?
System of a Down (album):  Two years later, after the success of System of a Down's next album, "Toxicity", the album was certified platinum. Toxicity (album): Toxicity is the second studio album by the Armenian-American heavy metal band System of a Down, released on September 4, 2001 by Columbia Records.
i don't know