Endangered natural environments
c itie s
a d ve rs e ly a ffe c ts h um a n h e a lth
e c o s ys te m s a nd b uild ing s .
North Estonian cities, depending on the increase in
incidence has been observed in the increase in
concentration of pollutants in the ambient air.
North-east Estonian industrial area of respiratory case
rate, higher than elsewhere.
3. Water pollution
Inc re a s e s with th e num b e r o f p e o p le in th e
wa te r c o ns um p tio n
Fo r c e nturie s , p e o p le h a ve b e c o m e us e d to
th e ir d a ily h o us e h o ld wa te r le a d o f m unic ip a l
wa te r, a s it is c o nve nie nt
T o d a y , o nly th e m unic ip a l wa s te wa te r d o e s
no t s e e m to p a s s it into th e ind us tria l re s id ua l
wa te rs , wh ic h s o m e tim e s c o nta in la rg e
q ua ntitie s o f s ub s ta nc e s h a rm ful to living
o rg a nis m s
Who or what is causing them ?
annaabi.ee 
