*Gymnosperms (gymnosperm), the group consists of coniferous plants (Conifer) and they live for is one of the most threatened species in the world.(hình ảnh) *Cordyceps sinensis also listed as endangered because of the needs of people using them too much(hình ảnh) Environmental conservation includes 3 categories: soil conversation, water conversation and air conservation. - About Water enviroment: In Vietnam, speacial in two cities Hanoi and Ho Chi Minh Citythere is no waste water treatment system that focuses directly discharged into the receiving water (rivers, lakes, canals) Water pollution from industrial production is very heavy => affect people's health.
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