ABSTRACT
For ensuring the live of humans in a safe space there is necessary to manage and trade-off with risks properly, i.e. measures and activities targeted to the existence, security and development of human system. In 1994 the UN (UN 1994) formulated the human society target as the human system safety and the EU (EU 2004) formulated it as the safe community in 2004. The basic tools of human society for achievement of these objectives are the human society governance and the correct application of knowledge and experiences connected with trade-off with risks respecting the public interests. In this respect the great role plays
the management and engineering disciplines, the aim of which is to arrange the human security and sustainable development.
