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Nowadays, it is a common ascertainment that stormwater runoff in the urban and interurban road
network consist non-point source pollution which contributes to the degrading of the quality of water
of ground and surface water bodies. Taking into account the fact that water pollution has impacts to
people and also to flora and fauna, the need to take measures in order to confront this
environmental problem becomes inevitable. The adverse impacts of the stormwater runoff can be
minimized with structural and non-structural Best Management Practices (BMPs) or with a
combination of them.
Within the content of the present paper the following are included: a) the investigation and
presentation of the receiving waters pollution issues from the highway road network stormwater
runoff together with the European transport policy concerning the development of an integrated
highway road network, b) the examination of the respective pollutant generation and characteristics,
c) the presentation of their impacts, d) the examination of the measures (structural and nonstructural
BMPs), e) the presentation of the “first flush” phenomenon, f) The presentation of the
existing legislation in the EU with emphasis in the E.U. Directive 2000/60/EC as well as the
presentation of the relevant existing environmental legislation in Greece, including also the
presentation of the way the Highway Guidelines actually deal with the specific problem.

When it comes to shared natural resources between two countries it is essential to mitigate
differences in the management which underpin threats to the conservation of those resources by
putting the way forward for coordination of the management of the area as a whole. Shared natural
resources are thus a good basis for transboundary cooperation. Additionally, mountain regions,
which represent areas that are vital for the conservation of biodiversity, provide an outstanding
example of that, as the survival of many species, which move across the national border, depends
on the wise treatment of their habitats, as well as the mitigation of pressures, which pose threats on
their survival. The fact that such challenges cannot be faced effectively only by one affected party
has been recognized and resulted in a steady increase worldwide of transboundary conservation
initiatives involving mountains. The present paper aims to examine the above topics by focusing on
the mountain region of Tzena/Kozhuf, which extends across the national border between Greece
and F.Y.R.O.M. and constitutes an important site for the conservation of raptors. Based on this
evaluation of the land uses as far its compatibility with matters of conservation of raptor species are
concerned, challenges in matters of sustainable land use management have been recorded. With
both parties having made the first steps towards a coordinated management of these shared natural
resources there are further measures proposed in order to ensure long term success.

Many studies have been conducted to increase the efficiency of hydrogen peroxide (HP) in
wastewater disinfection to make HP disinfection more cost-effective with respect to reduced
concentration and detention time. In this study, the effects of HP, copper ions (Cu2+), and 1 atm.
pressure-dissolved oxygen (termed O2 in this study) applied either alone or in a binary or ternary
combination to undisinfected secondary treated wastewater (STW) were assessed.
Undisinfected STW in contact (1 h) with various doses of HP (alone), Cu2+ (alone), HP/Cu2+
(binary) and HP/Cu2+ with O2 (ternary) showed a variable fecal coliforms (FC) removal pattern,
ranging from 0.03 to 3.8 logs inactivation. O2 had the highest synergistic effect when combined
with Cu2+ and HP. The use of 200 mg L-1 HP + 5 mg L-1 Cu2+ together with O2 caused a 0.65 log
inactivation of FC more than the binary combination (i.e., 200 mg L-1 HP + 5 mg L-1 Cu2+).

In this study the vertical ozone profiles during summertime (June to August) of the MOZAIC (Measurement of Ozone and Water Vapor by Airbus in Service Aircraft) Project over the eastern Mediterranean airports of Heraklion and Rhodes in the Aegean Sea, have been analyzed in order to identify the major factors determining the ozone variability in the lower troposphere over this area. In total 42 ozone profiles have been examined, which have been collected during a 10-year period (1996-2006). In addition, the corresponding vertical profiles of temperature, relative humidity, carbon monoxide and wind speed have been also examined in parallel. The vertical summer ozone profiles have been classified into groups of highest and lowest ozone levels in the free troposphere (at the 3000-5000m and 1500-3000m layers) and the corresponding composite weather maps of geopotential heights have been plotted and their examination was focused on the Aegean Sea area.
From the data analysis it comes out that for the examined area, in the lower troposphere but also within the boundary layer the role of the synoptic weather conditions and the associated large-scale transport of air masses, especially anticyclonic subsidence, seem to be more important in understanding the ozone variability than the local or regional short-term ozone photochemical production.