H a q iq a td a n , h o zir bu m a m la k a tla r d a m uhitni iflo sla n tir ish u c h u n m a s ’uliyat k u ch a y d i. O hirgi yillarda tab iatn i s a q la s h ijiim oiy m a s a la la ri a s t a - s e k in fo y d a o l is h d a u s t u n r o q a h a m i y a t g a e g a b la y a p t i, c h u n k i j a m o a v a d a v la t la r t o m o n i d a n b o s im k u c h a y m o q d a . B u a t r o f d a g i m u h itn i m u h o f a z a q ilis h m u a m m o s in i y e c h i s h g a y a x s h i t a ’sir q ila d ig a n v o s i t a l a m i q id ir is h , y a n g i te x n o lo g iy a la r n i is h la b c h iq ish , q ish lo q x jaligi v a s a n o a t k o rx o n a la rin in g o z ch iq in d ilar sik lig a tis h g a r a g ’batlantiradi. Lekin ta b ia tn i m u h o fa z a q ilis h g a ajratilgan m a b la g ’lar s is h ig a v a b a ’zi zararli k o m p o n e n tla rn in g c h iq ish i 2 3 - 3 0 foiz k a m a y tirilish g a q a ra m a y , u la m in g u m u m iy m iqdori h ali ju d a b a la n d . Ifloslan tirish m u a m m o s i b ilan k u ra s h hali h a m y e c h im id a n u z o q . “Parnik effekti” M a’lum ki, k a rb o n a t angid rid a tm o s fe r a d a is s iq x o n a n in g o y n a s ig a x s h a b q u y o s h n in g e n e r g iy a nurlarini tk a za d i, lekin Y e m in g issiq lik nurlarini s a q la b q o la d i v a s h u b ila n up arn ik effekti" d e b n o m la n g a n h o d is a v u ju d g a k e la d i. A tm o s fe r a d a u g le ro d d io k sid i o ’s a d i ( rm onlarni k e s is h v a yo n d irish , s a n o a t chiqindilari v a tran sp ort g a z i bilan ifloslan tirish v a h.k. n a tija sid a ). O lim larn in g f ik r ic h a ( b u h o l a t h a q i d a o lim la r o r a s i d a t o r t i s h u v l a r k e t m o q d a ) x lo r fto r u g le r o d la r n in g (X F U ) a t m o s f e r a g a k ta r ilish i iq lim n in g is is h ig a o lib
