conservation: an occurrence of improvement by virtue of preventing loss or injury or other change
improvement: a change for the better; progress in development
punks: a youth subculture closely associated with punk rock music in the late 1970s; in part a reaction to the hippy subculture; dress was optional but intended to shock (plastic garbage bags or old school uniforms) and hair was dyed in bright colors (in Mohican haircuts or sometimes spiked in bright plumes)