GMT+7
Băng tan- một vấn đề nóng bỏng?
PTO- Ngày Môi trường thế giới - một sự kiện môi trường tiêu biểu của Liên hợp quốc- được Đại hội đồng Liên hợp quốc đưa ra năm 1972 nhằm đánh dấu ngày khai mạc Hội nghị Stockholm về Môi trường và con người - 5-6-1972.
CÙẾẼỘỮÍ))ĂẺ.ụỤ<ỮƠẺDeKWÚẼ<ÍW-ẼV=<Ẽ5ỌWẼỖQẼWYWÚẼỒỴWÚẴC/ÙẾDC.ẼỘỮÍ))ĂẺ.ịƠÍỔẺDeKWÚẼ<ÍW-ẼV=<Ẽ5ỌWẼỖQẼWYWÚẼỒỴWÚẴC/.DC.ẼỘỮÍ))ĂẺ.eXỔ8ẺDC<ÍỒỮƠẼ)<8ỮƠĂẺVÍ(ÚỤWÂỀ.7ẼÍ><XẺDC<(DC<ỔDCỤVÚẼ)(ỘĂẺÙ<<.Â//ỒÍX.Ù><ÙXẬ5W/XỮỔỔÍ<Í/6ƠỒ)Ụ<Ơ/ỬỤWÙ-<Ơ/ẾÊÊéíeéảẽỂe/ỀÊÊG/Ễ/ẾẾỀíIỂẹảỆỀẾ/ẾẾHẾÊÊỂÊÊẾGHẾ_ẾẾGIỄỆỆFGGHIÊ_ỉVÍÚƠýỤƠ6ỀẬỰ.ÚẺẼÍỮỤÚWĂẺỮƠU<ẺDC/<ỔDC/<(DC<(DC<ỔDC.DằWÙẼụụỏC/.DC/<ỔDC/<(DC/<ÍỒỮƠDtụỏ-ẼọÚỊ8ẼòỸỤẼ<( ?WÚẼ<ÙPẼÚỤ&ỤẼ-ẼV=<Ẽ)2ẼỬỤRWẼVỸỤẼ<( ?WÚẼ<ỤỠ>ẼỒỤS>ẼỘ]ÍẼóỤỠWẼÙ:.Ẽ!>@Ộ-ẼỖ :ỘẼẻỈỤẼÙ=ỤẼỖ#WÚẼóỤỠWẼÙ:.Ẽ!>@ỘẼỖ ÍẼ(ÍẼWKVẼẾIGỀẼWÙMVẼỖÌWÙẼỔỌ>ẼWÚỊ8ẼỬÙÍỤẼVỈỘẼị=ỤẼWÚÙƯẼù<XỘỬÙXỮVẼ5QẼòỸỤẼ<( ?WÚẼ5ỊẼỘXWẼWÚ ?ỤẼ-ẼỄ-F-ẾIGỀẬẼẻỈỤẼÙ=ỤẼỖ#WÚẼóỤỠWẼÙ:.Ẽ!>@ỘẼÚỤÍXẼỘÙXẼéÙ *WÚẼ<(ŨWÙẼòỸỤẼ<( ?WÚẼẪủọẽtBẼỘ]ÍẼóỤỠWẼÙ:.Ẽ!>@ỘẼỘYẼ<([Ẽ);Ẽ<ỈỤC.ẼỘỮÍ))ĂẺ.eXỔ8ẺDọÍ(XỒỤẦẼoƠW8ÍẼ<$ẼỘÙ0ỘẼỬàẼWỤRVẼ)2ẼỬỤRWẼWỊ8ẼÙỊWÚẼWKVẬC/.DC.ẼỘỮÍ))ĂẺ.eXỔ8ẺDịỊWÚẼWKVẦẼỮTẼỬàẼWỤRVẼọÚỊ8ẼVỸỤẼ<( ?WÚẼ<ÙPẼÚỤ&ỤẼỖ :ỘẼ<$ẼỘÙ0ỘẼ<(ỲWÚẼ<ÙSẼ<ỈỤẼÙ*WẼẾÊÊẼu>@ỘẼÚỤÍẼ5ỊẼ5}WÚẼỮJWÙẼ<Ù$ẬẼò[ỘẼỖỦỘÙẼỘ]ÍẼWÚỊ8ẼòỸỤẼ<( ?WÚẼ<ÙPẼÚỤ&ỤẼỮỊẼ<Õ.Ẽ<(>WÚẼ)2ẼỘÙ{Ẽ9Ẽ<(ỠWẼ<XỊWẼ<ÙPẼÚỤ&ỤẼ5ỊXẼ<ỎVẼ!>ÍWẼ<(ỲWÚẼỘ]ÍẼVỸỤẼ<( ?WÚẼ5ỊẼỬÙ>8PWẼỬÙỦỘÙẼ)2Ẽ!>ÍWẼ<ÒVẼỘÙỦWÙẼ<(ƯẼ5ỊẼÙỊWÙẼỖ=WÚẼỒĨXẼ5RẼVỸỤẼ<( ?WÚẬẼù2ẼỬỤRWẼWỊ8ẼỮỊVẼỘÙXẼỘÌỘẼ5ỌWẼỖQẼVỸỤẼ<( ?WÚẼVÍWÚẼ<ỦWÙẼWÙÒWẼ5KWẤẼ<(ÍXẼ!>8QWẼỘÙXẼVỲỤẼWÚ ?ỤẼỖSẼ<(;Ẽ<ÙỊWÙẼ<ÌỘẼWÙÒWẼ<ỦỘÙẼỘ2ỘẼỘ]ÍẼ!>ÌẼ<(ŨWÙẼ.ÙÌ<Ẽ<(ỤSWẼỒQWẼ54WÚẼ5ỊẼỒŨWÙẼỖOWÚẤẼWÒWÚẼỘÍXẼÙỤS>ẼỒỤP<ẼỘ]ÍẼỘÌỘẼỘ=WÚẼỖ#WÚẼ5QẼ5ÍỤẼ<(ÝẼ<ÙƠWẼỘÙ@<ẼỮỊVẼ<ÙÍ8ẼỖ$ỤẼÙỊWÙẼ5ỤẼÙ &WÚẼ<&ỤẼỘÌỘẼ5ỌWẼỖQẼVỸỤẼ<( ?WÚẤẼ]WÚẼÙ=ẼV@ỤẼỘ=WÚẼ<ÌỘẼỖSẼỖĨVẼỒĨXẼ(MWÚẦẼ<Ọ<ẼỘĨẼỘÌỘẼ!>@ỘẼÚỤÍẼ5ỊẼỘÌỘẼỔÒWẼ<=ỘẼỖ :ỘẼÙ ;WÚẼV=<Ẽ< *WÚẼỮÍỤẼÍWẼ<XỊWẼ5ỊẼ<ÙƯWÙẼ5 :WÚẼÙ*WẬC/.DC.ẼỘỮÍ))ĂẺ.eXỔ8ẺDò%ỤẼWKVẦẼóỤỠWẼÙ:.Ẽ!>@ỘẼỘÙỲWẼV=<Ẽ<ÙỊWÙẼ.Ù@ẼỮỊVẼW*ỤẼ<$ẼỘÙ0ỘẼỮTẼỬàẼWỤRVẼWÚỊ8ẼòỸỤẼ<( ?WÚẼ<ÙPẼÚỤ&ỤẬẼéÙỦWÙẼ.Ù]Ẽ5ỊẼ<ÙỊWÙẼ.Ù@ẼW &ỘẼỘÙ]ẼWÙỊẼ)ỞẼÙ:.Ẽ<ÌỘẼ5&ỤẼủọẽtẼ<ỈXẼ(ÍẼỒỎ>ẼỬÙỸWÚẼỬÙỦẼỘÙXẼ)2ẼỬỤRWẼWỊ8ẬẼéÙ]ẼỖQẦẼỬÙÔ>ẼÙỤR>Ẽ5ỊẼóỸÚỸẼ)ỞẼỖ :ỘẼỘÙỲWẼỖSẼỮỊVẼ<(ỲWÚẼ<ÒVẼỘÙXẼỘÌỘẼ<ỊỤẼỮỤR>Ẽ<>8ỠWẼ<(>8QWẼ5QẼọÚỊ8ẼòỸỤẼ<( ?WÚẼ<ÙPẼÚỤ&ỤẼỘ"WÚẼWÙ ẼỘÌỘẼÙXỈ<ẼỖ=WÚẼỘ$ẼỖ=WÚẼ<(ỠWẼ<XỊWẼỘỎ>ẬẼọÚỊ8ẼVỸỤẼ<( ?WÚẼ<ÙPẼÚỤ&ỤẼWÚỊ8ẼỘỊWÚẼ<Ù>ẼÙ{<Ẽ)2Ẽ!>ÍWẼ<ÒVẼỘ]ÍẼỘÌỘẼW &ỘẼỒMWÚẼỘÙ0WÚẼỮỊẼ)@Ẽ!>@ỘẼÚỤÍẼ5ỊẼ5}WÚẼỮJWÙẼ<Ù$Ẽ<(ỠWẼ<ÙPẼÚỤ&ỤẼÙ ;WÚẼ0WÚẼ)2ẼỬỤRWẼWỊ8ẼWÚỊ8ẼỘỊWÚẼ<KWÚẬC/.DC.ẼỘỮÍ))ĂẺ.eXỔ8ẺDọÙ4WÚẼÙXỈ<ẼỖ=WÚẼ!>@ỘẼ<PẼỘÙỦWÙẼWÙÒWẼWÚỊ8ẼòỸỤẼ<( ?WÚẼ<ÙPẼÚỤ&ỤẼWKVẼỀÊÊGẼỖ :ỘẼ<$ẼỘÙ0ỘẼ<ỈỤẼụÙỊWÙẼ.Ù@Ẽụ(XV)XẼỘ]ÍẼọÍ>8ẬẼéÙ]ẼỖQẼWÚỊ8ẼòỸỤẼ<( ?WÚẼ<ÙPẼÚỤ&ỤẼWKVẼWÍ8ẼỮỊẼeKWÚẼ<ÍW-ẼV=<Ẽ5ỌWẼỖQẼWYWÚẼỒỴWÚẴẼù2Ẽ.ÙÌ<Ẽ<ÙĨỤẼỬÙỦẼWÙỊẼỬỦWÙẼ<1ẼWÙ4WÚẼÙXỈ<ẼỖ=WÚẼỘ]ÍẼỘXWẼWÚ ?ỤẼỖÍWÚẼỮỊVẼỘÙXẼ<(ÌỤẼỖỌ<ẼWYWÚẼỔỎWẼỮỠWẬẼọ#WÚẼỖ=ẼỬÙỦẼéỏỀẼ<(XWÚẼỬÙỦẼ!>8SWẼỖJẼỘÍXẼÙ*WẼ(Ọ<ẼWÙỤQ>Ẽ)XẼ5&ỤẼỒỌ<ẼỬaẼ<Ù?ỤẼỖỤSVẼWỊXẼ<(XWÚẼ5ÝWÚẼFÊÊẬÊÊÊẼWKVẼ!>ÍẼ5ỊẼỖÍWÚẼ<KWÚẼỮỠWẼV=<ẼỘÌỘÙẼWÙÍWÙẼỘÙYWÚẼỘYẼĨWÙẼÙ ;WÚẼỒỌ<ẼỮ:ỤẼỮ&WẼỖPWẼVỸỤẼ<( ?WÚẼ)@WÚẼỘ]ÍẼỘÙ{WÚẼ<ÍẬC.DọÚỊ8ẼVỸỤẼ<( ?WÚẼ<ÙPẼÚỤ&ỤẼỮỊẼV=<Ẽ)2ẼỬỤRWẼỘ]ÍẼỘỸWÚẼỘÙ{WÚẼ5&ỤẼỘÌỘẼÙXỈ<ẼỖ=WÚẼỔỤTWẼ(ÍẼ.ÙXWÚẼ.Ù{Ẽ5ỊẼỖÍẼỔỈWÚẦẼWÙỤQ>ẼVỊ>Ẽ)LỘẼWÙ ẼVỦ<Ẽ<ỤWÙẼ<(ỠWẼỖ ?WÚẼ.Ù@ẦẼỔỤT>ẼÙỊWÙẼỒMWÚẼ7ƠẼỖỈ.ẦẼÙÝÍẼWÙỈỘẼ7ÍWÙẦẼỘÌỘẼỒỊỤẼ5ỤP<ẼÙXNỘẼỘÌỘẼỘ>=ỘẼ<ÙỤẼ5ỞẼ5QẼVỸỤẼ<( ?WÚẼỘÌỘẼ<( ?WÚẼÙỲỘẦẼ.ÙXWÚẼ<(ỊXẼ<(#WÚẼỘÒ8Ẽ7ÍWÙẼỘ"WÚẼWÙ ẼỘÌỘẼỘÙỤPWẼỔƯỘÙẼ<ÌỤẼỘÙPẼỘÙỌ<Ẽ<ÙĨỤẼ5ỊẼỮỊVẼ)ỈỘÙẼVỸỤẼ<( ?WÚẬC/.DC.ẼỘỮÍ))ĂẺ.eXỔ8ẺDrẼýỤR<ẼọÍVẦẼÙỊWÚẼWKVẼéÙỦWÙẼ.Ù]ẼÚỤÍXẼỘÙXẼe=ẼụỊỤẼWÚ>8ỠWẼ5ỊẼòỸỤẼ<( ?WÚẼỘÙ]Ẽ<(ŨẼ.Ù@ỤẼÙ:.Ẽ5&ỤẼỘÌỘẼ<ỨWÙẦẼ<ÙỊWÙẼ<(XWÚẼỘĨẼW &ỘẼ<$ẼỘÙ0ỘẼỬàẼWỤRVẼWÚỊ8ẼòỸỤẼ<( ?WÚẼụÙPẼÚỤ&ỤẦẼ<Ù>ẼÙ{<Ẽ)2Ẽ!>ÍWẼ<ÒVẼỘ]ÍẼỘÌỘẼWÚỊWÙẼỘÌỘẼỘỌ.Ẽ5ỊẼ<XỊWẼ<ÙSẼỘ=WÚẼỖ#WÚẼỒMWÚẼWÙỤQ>ẼÙXỈ<ẼỖ=WÚẼỘ[Ẽ<ÙSẦẼ<ÙỤP<Ẽ<Ù2ỘẬC/.DC.DọÙÒWẼWÚỊ8ẼòỸỤẼ<( ?WÚẼ<ÙPẼÚỤ&ỤẦẼỘÙ{WÚẼ<ÍẼÙJ8ẼỘ}WÚẼWÙÍ>Ẽ7ƠVẼ7Ớ<ẼÙỤRWẼ<(ỈWÚẼVỸỤẼ<( ?WÚẼỘ]ÍẼỘÙ{WÚẼ<ÍẬẼịJ8Ẽ<ÙÕWẼ<(ỲWÚẼ5ỊẼỘÒWẼWÙLỘẼWÙ4WÚẼÙỊWÙẼỖ=WÚẼVỊẼV%ỤẼWÚ ?ỤẼỘÙ{WÚẼ<ÍẼ.ÙĨỤẼỮỊVẦẼỘ}WÚẼWÙÍ>Ẽ<Ù2ỘẼÙỤRWẼỘÌỘẼWÙỤRVẼ5[ẼỘÙ>WÚẼỘ]ÍẼWÙÒWẼỮXỈỤẼỮỊẼÚŨWẼÚỤ4ẼỘÙXẼ<Ọ<ẼỘĨẼ)2Ẽ)@WÚẦẼVỸỤẼ<( ?WÚẼ<(ỠWẼ<(ÌỤẼỖỌ<Ẽ<(XWÚẼ<(ỈWÚẼ<ÙÌỤẼ8ỠWẼỒŨWÙẦẼ.ÙÌ<Ẽ<(ỤSWẼỒQWẼ54WÚẬẼụ1ẼỖỸẼ<ÙƯẼỖPWẼWỸWÚẼ<ÙỸWẦẼVỲỤẼWÚ ?ỤẼÙJ8Ẽ<ỦỘÙẼỘ2ỘẼ<ÙÍVẼÚỤÍẼỒĨXẼ5RẼVỸỤẼ<( ?WÚẼỒMWÚẼỘÌỘẼÙXỈ<ẼỖ=WÚẼỘ[Ẽ<ÙSẦẼÚỤ4ẼỘÙXẼVỸỤẼ<( ?WÚẼỮ>ỸWẼỵÍWÙẼ-ẼùỈỘÙẼ-ẼẻỜ.ẬẼịJ8Ẽ<ÙÍVẼÚỤÍẼ<(#WÚẼ<ÙÕ<ẼWÙỤQ>ẼỘÒ8Ẽ7ÍWÙẼÚỤ{.ẼỮỊVẼỘÙÕVẼ)2ẼỒỤPWẼỖ$ỤẼỬÙỦẼÙÕ>Ẽ!>ÍẼ5ỤRỘẼÙỌ.Ẽ<Ù[ẼỬÙỦẼéỏỀẦẼỮỊVẼÚỤĨVẼỸẼWÙỤTVẦẼÚỤ4ẼỘÙXẼVỸỤẼ<( ?WÚẼVÌ<ẼVỢẦẼỒĨXẼ5RẼW*ỤẼỘÙ0ÍẼW &ỘẼ5ỊẼỮỊVẼÚỤĨVẼ7YỤẼVÝWẼỖỌ<ẬẼò%ỤẼWÚ ?ỤẼỘÙ{WÚẼ<ÍẼÙJ8ẼỘÍVẼỬP<ẼỮỊVẼ<@<ẼÙ*WẼW4ÍẼ<(ÌỘÙẼWÙỤRVẼỘ]ÍẼVŨWÙẼ<(XWÚẼỘ>=ỘẼỘÙỤPWẼỘÙ@WÚẼỮỈỤẼ)2ẼỒỤPWẼỖ$ỤẼỘ]ÍẼỬÙỦẼÙÕ>ẬẼeỈỘÙẼụÙÌỤẼụXỊW