Derivatives such as CDS were unregulated or barely regulated. Derivatives such as credit default swaps (CDSs) were unregulated or barely regulated. Voltage regulation is needed when operating from an unregulated supply. As a dangerous, illegal and so unregulated activity, crashes and fatalities sometimes occur. He suggests that free markets are not unregulated markets. There are currently hundreds of federally unregulated natural gas suppliers operating in the US. Tharparkar is affected by pollution, including sound pollution from unregulated noise sources. Additional unregulated and unreported catches are thought to be common. These risks are found to be higher on unregulated premises. Unregulated pirate fisheries exacerbate the problem. Bill C-38 angered many people who opposed unregulated industrial growth. Discussed further in unregulated shadow banking. However, several reports have documented a number of adverse events attributable to unregulated ephedra supplements. Causes for wildlife extinction are habitat destruction and extensive unregulated hunting. However unregulated production in rural areas thrives.