মহাশূন্যের ওজোন স্তরের ক্ষয় ও ক্ষতির প্রভাব

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1985 mv‡ji GK mgx¶v ej‡Q, MvQ †K‡U †djvq Ges cwi‡ek `‚lY e…w× cvIqvq dzu‡Uv †`Lv †M‡Q I‡Rvb ¯Í‡i| AviI hv‡Z GB ¯Íi ¶wZMÖ¯Í bv nq Zvi R‡b¨B mevB‡K I‡Rvb ¯Í‡ii ¶q I Gi ¶wZKi cÖfve m¤ú‡K© wek¦e¨vcx MYm‡PZbZv ˆZwi‡Z cÖwZeQi 16 †m‡Þ¤^i AvšÍR©vwZK I‡Rvb w`em cvjb Kiv nq| we‡k¦i Ab¨ †`‡ki g‡Zv evsjv‡`‡kI G w`em cvwjZ n‡q Avm‡Q| 1987 mv‡ji 16 †m‡Þ¤^i evqzgÛ‡ji I‡Rvb ¯Íi ¶‡qi Rb¨ `vqx `Öe¨¸‡jvi e¨envi wbwl× ev mxwgZ Kivi Rb¨ wf‡qbv Kb‡fbk‡bi AvIZvq I‡Rvb ¯Íi aŸsmKvix c`v‡_©i Ici gw›UÖj cÖ‡UvKj M…nxZ nq| GB w`bwU‡ZB cvwjZ nq wek¦ I‡Rvb w`em ev AvšÍR©vwZK I‡Rvb i¶v w`em wn‡m‡e| 2040 mvj bvMv` cÖ‡UvK‡j AšÍf©z³ me‡`‡k Gme M¨v‡mi e¨envi eÜ nIqvi K_v| evsjv‡`k 1990 mv‡j GB gw›UÖj cÖ‡UvK‡j ¯^v¶i K‡i| Gici †_‡K evsjv‡`‡kI w`emwU cvjb Kiv nq| AvšÍR©vwZK I‡Rvb w`em cvj‡bi gva¨‡g RbM‡bi g‡a¨ I‡Rvb ¯Í‡ii ¶q Ges Gi cvk¦© cÖwZwµqvi m…ó Rjevqz cwieZ©‡bi ¶wZKi cÖfve m¤ú‡K© m‡PZbZv e…w× Kivi j‡¶¨ w`emwU cvjb Kiv nq|

          I‡Rvb ¯Íi i¶vi GKwU ¸iæZ¡c‚Y© Dcvq n‡jv †K¬v‡iv‡d¬v‡iv Kve©b (wmGdwm), wewfbœ cÖwµqvq n¨v‡jv‡R‡b‡UW nvB‡WÖv Kve©b, wg_vBj †eÖvgvBW Ges bvBUÖvm A·vB‡Wi g‡Zv ¶wZKviK M¨vm¸‡jvi e¨envi †iva Kiv| Kve©b g‡bv·vBW Ges bvB‡UÖv‡Rb A·vBW gz³ K‡i Ggb e¨w³MZ hvbevn‡bi e¨envi nÖvm Kiv| I‡Rvb ¯Íi msi¶‡Yi Ab¨ Dcvq n‡jv Gqvi KwÛkbvi mwVKfv‡e eRvq ivLv| hw` Gwm¸‡jv mwVKfv‡e i¶Yv‡e¶Y bv Kiv nq, Z‡e wmGdwm M¨vm evqzgÛ‡j †Q‡o hvIqvi D”P m¤¢vebv _v‡K| Avgv‡`i Pzj †¯úÖ, iæg †dÖkbvi e¨envi Gov‡bv DwPZ; KviY GB cY¨¸‡jv †K¬v‡iv‡d¬v‡iv Kve©b (wmGdwm) Qwo‡q _v‡K| ivmvqwbK mvi ˆZwii mgq †ek K‡qKwU wMÖbnvDm M¨vm ˆZwi nq| mzZivs, Avgv‡`i K…wl‡Z mv‡ii e¨envi Gov‡bv DwPZ Ges ˆRe c`v‡_iÖ e¨envi evov‡bv DwPZ| wkí wec­e Ges gvbz‡li AvazwbK Rxe‡bi Rb¨ e¨eüZ ivmvqwbK †_‡K wbM©Z n‡”Q wmGdwm (‡K¬v‡iv †d¬v‡iv Kve©b)| kxZvZc wbqš¿b, wewfbœ ai‡bi †¯úÖ, cwi®‹viK Ges †iwdÖRv‡iU‡i Gme †¶‡ÎB wmGdwm †ewk e¨eüZ nq| wmGdwm Gi fzwgKvB †ewk| GwU evqz gÛ‡j AwaK w¯’wZkxj| G¸‡jv fv½‡Z cÖvq 20-120 eQi mgq jv‡M| wmGdwm e…wói mv‡_I wb‡P c‡o bv| m‚‡h©i AvëÖvfv‡qv‡jU‡i ev AwZ‡e¸bx iwk¥i cÖfv‡eB †Kej fv½‡Z cv‡i| wmGdwm †f‡½ †K¬vwib cigvbz gz³ nq Ges gz³ †Kvwib IRb cigvbzi mv‡_ hz³ n‡q RwUj ivmvqwbK cÖwµqvq Zv‡K Aw·‡R‡b cwibZ K‡i| d‡j Kg‡Z _v‡K I‡Rvb ¯Í‡ii NbZ¡| I‡Rvb ¯Íi cvZjv n‡q co‡j m‚‡h©i AwZ †e¸wb iwk¥ c…w_exi evqz gÛ‡j cÖ‡ek K‡i| Avi GB AwZ †e¸wb iwk¥ c…w_exi mKj cÖvYxKz‡ji Rb¨ ûgwK ¯^iæc| I‡Rvb ¯Íi ¶‡q AwZ‡e¸wb iwk¥i cÖfv‡e gvbz‡li Z¡‡K K¨vÝvi, Pg© †ivM, †Pv‡L Qvwb covmn mKj Dw™¢` I cÖvYx RM‡Zi ¶wZ nq| ZvB I‡Rvb ¯Íi I cwi‡ek mzi¶vq wdÖR, Gwmmn Gai‡bi h‡š¿ AvazwbK cwi‡ek evÜe M¨vm e¨envi Kiv n‡”Q wKbv, Zv †`‡L µq K‡i †mwU e¨envi Ki‡Z n‡e|

divmx c`v_©w`e Pvj©m d¨weÖ Ges †nbix ezBmb 1913 mv‡j I‡Rvb ¯Íi Avwe¯‹vi K‡ib| cieZ©x‡Z weÖwUk AvenvIqvwe` wR,Gg,we Wemb I‡Rvb ¯Íi wb‡q we¯Íi M‡elbv K‡ib| 1928 mvj †_‡K 1958 mvj ch©šÍ wZwb I‡Rvb ch©v‡e¶b †÷kb mg‚‡ni GKwU †bUIqvK© ˆZwi K‡ib| 1974 mv‡j I‡Rvb ¯Íi ¶q n‡”Q †mwU aiv c‡o| ˆeÁvwbK M‡elbvq Rvbv hvq, evqz gÛ‡j µgvMZ †K¬v‡iv †d¬v‡iv Kve©b ev wmGdwm M¨vm e…w×i d‡j I‡Rvb ¯Íi ¶q n‡”Q| Avi gvbz‡li Kg©Kv‡Û µgvMZ GB M¨vm †e‡o P‡j‡Q| ZvQvov evqz gÛ‡j czwÄf‚Z MÖxbnvDR M¨vm Drmvi‡Yi Kvi‡b ˆewlK DòZv e…wׇZ bvbv cÖvK…wZK `‚‡h©vM m…wó n‡”Q|

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