Developed and developing nation has three alarming challenges, which should be taken care properly before it is too late, these are - • Bio-medical Waste-The professional must know how to handle their waste as biomedical waste . If world-wide been properly managed than the world might have not faced the situation like Covid-19 (SARS-COV-1), Bird Flu (HSNl), Swine Flu (HlNl) and so on. The professional must know to keep them safe before other safety by managing their waste properly. • Modern Warfare Waste - Modern warfare consist of Chemical Weapons, Biological weapons, as well as nuclear weapons, recent war of Russia-Ukraine, Israel -Philistine, Taliban Incidence of Afghanistan, ISIS- Syria, Iran-Iraq war,conflict and so on. These wars are not face to face War, more over Missile, Rocket, Bombs are used, which destroy the fertile land, greenery a nd the beautiful air index. The solders are responsible for doing the war but the citizens face the consequences, if the live bomb or bomb shell not properly taken care of. The professionals must know which kind of bomb or rocket is there and should be removed from the site for proper disposure, Police must take care of these warfare by which the air pollution must be taken care immediately. • Space Garbage - The world is moving fast towards the digital world or we can say that now internet is a part of present life, means the satellite services . These Space satellite or Space research station has certain life span the time, and after the life time they become threat to the earth as in 1979, USA- Skylab accidently fall on the earth, Tomorrow second incidence can also happen. These Space research organisations must educate their professional to handle such type of space garbage. By educating the professional with Space Garbage management, we can not only give beautiful path for their work but also play an important role for Green and Healthy earth to live.