Various forms of pollution have increased as China has industrialized, causing widespread environmental and health problems. In January 2013, fine airborne particulates rose as high as 993 micrograms per cubic meter in Beijing, compared with World Health Organization guidelines of no more than 25. Heavy industry, dominated by state-owned enterprises, has been promoted since the beginning of central planning and still has many special privileges such as access to cheap energy and loans. The industry possesses considerable power to resist environmental regulation.