Avtor JS | Foto: stock.adobe.com 12:24 pop OKOLJE, Revija

Učinkovito upravljanje z vodo je strateški izziv, s katerim se moramo spoprijeti

Voda je eden najpomembnejših naravnih virov, brez katerega si življenja ne moremo predstavljati. Kljub temu z njo pogosto ravnamo, kot da je samoumevna in neomejena.

Podnebne spremembe, onesnaževanje in neustrezno upravljanje jasno kažejo, da bo voda v prihodnosti eden ključnih izzivov družbe.

Odnos do vodnih virov bi moral biti bolj strateški

Po mnenju strokovnjakov je izkoriščanje pitne vode pri nas povsem nesmotrno: še vedno peremo utrjene površine s pitno vodo, cevovodi niso primerno vzdrževani, odvajanje odpadnih voda je marsikje neurejeno, onesnažene vode pa se iztekajo v podzemne vode, izvire in reke. Medtem pa na drugi strani krvavo primanjkuje ukrepov, ki so prijazni do narave.

Premalo je sistemskih primerov dobre prakse

Uspešni ukrepi, ki postavljajo vzor pametnega upravljanja z vodo so večinoma vezani na ozaveščenost ljudi in posamezne lokalne pobude, manj pa na sistemske rešitve. Podzemne vode varujemo na površini, zato so sporadični ukrepi v kmetijstvu, kot je biološko kmetovanje, primer dobre prakse; podobno tudi male čistilne naprave, predvsem v alpskem prostoru. Manjka pa sistemski pristop in ekosistemsko razumevanje, kako in za koga varujemo vodne vire.

Mikroplastika kot vse večji problem

Mikroplastika postaja vse bolj skrb vzbujajoče onesnaževalo. Po nekaterih ocenah se je v Evropi vsako leto v okolje sprosti med 75.000 in 300.000 ton. Raziskave kažejo, da je prisotna vzdolž celotnega toka Donave, najpogosteje v obliki polietilena, ki se uporablja za proizvodnjo plastenk in embalaže. Škodljivi učinki mikroplastike v vodah, ki služijo za oskrbo s pitno vodo, so še vedno slabo raziskani, ključni izziv pa ostaja tudi pomanjkanje celostnega upravljanja tega onesnaževala v vodnem okolju.

Poplave niso katastrofa, temveč naravni pojav

Poplave so same po sebi nekaj naravnega, lahko pa postanejo nevarnost takrat, ko voda nima dovolj prostora – to je običajno v krajini, kjer so bile struge kanalizirane, zožane in utrjene, pregrade pa postavljene brez razumevanja naravnih procesov. Vse to priča o pomenu sistemskega pristopa do upravljanja voda v širšem smislu – ne le kot nepogrešljivega vira, ampak kot sile narave, s katero moramo živeti.

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