Underground exploation coal is performance in natural environment in wich provoke change, prevalent negative on environment. From our and foreign practice undergrounde exploatation coal is evidence influence up on air, water, land and facilities and surrounding live world. Following and systematic records of change is obvious damage effect, which m...

By Mirko Ivković

Town of Bijeljina, with about 70 000 inhabitants, is located in the northeastern part of Republic of Srpska, Bosnia and Herzegovina. Sudden increase of population in the last 15 years, and the increased number of cars in the city, create traffic, traffic, both in terms of movement of motor vehicles, and their parking. If in fact have in mind that c...

By Neđo Đurić, Željko Bajić