H\u00e0m l\u01b0\u1ee3ng kh\u00ed CO2 trong kh\u00f4ng kh\u00ed \u1edf d\u01b0\u1edbi m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh c\u00f3 th\u1ec3 khi\u1ebfn cho Tr\u00e1i \u0110\u1ea5t duy tr\u00ec \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 th\u00edch h\u1ee3p. N\u1ebfu trong kh\u00f4ng kh\u00ed kh\u00f4ng c\u00f3 kh\u00ed CO2 th\u00ec nhi\u1ec7t \u0111\u1ed9 b\u00ecnh qu\u00e2n to\u00e0n c\u1ea7u ch\u1ec9 kho\u1ea3ng -15oC, Tr\u00e1i<\/p>\n\n\n\n
\u0110\u1ea5t s\u1ebd \u1edf trong m\u00f4i tr\u01b0\u1eddng b\u0103ng gi\u00e1. N\u1ebfu h\u00e0m l\u01b0\u1ee3ng kh\u00ed CO2 t\u0103ng l\u00ean cao th\u00ec Tr\u00e1i \u0110\u1ea5t s\u1ebd \u1ea5m l\u00ean. C\u00e1c nh\u00e0 khoa h\u1ecdc t\u00ednh to\u00e1n: n\u1ebfu n\u1ed3ng \u0111\u1ed9 CO2 trong kh\u00f4ng kh\u00ed l\u00ean \u0111\u1ebfn 420 ppm th\u00ec t\u1ea5t c\u1ea3 b\u0103ng tuy\u1ebft tr\u00ean n\u00fai cao v\u00e0 B\u1eafc C\u1ef1c, Nam C\u1ef1c \u0111\u1ec1u ch\u1ea3y tan.<\/p>\n\n\n\n
V\u00ec lo\u00e0i ng\u01b0\u1eddi s\u1eed d\u1ee5ng m\u1ed9t l\u01b0\u1ee3ng l\u1edbn ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng kho\u00e1ng v\u1eadt nh\u01b0 than \u0111\u00e1, d\u1ea7u m\u1ecf, kh\u00ed \u0111\u1ed1t khi\u1ebfn cho h\u00e0m l\u01b0\u1ee3ng kh\u00ed CO2 trong kh\u00ed quy\u1ec3n t\u0103ng l\u00ean nhanh ch\u00f3ng. Ng\u00e0y nay t\u1ed1c \u0111\u1ed9 t\u0103ng tr\u01b0\u1edfng c\u1ee7a kh\u00ed CO2 h\u00e0ng n\u0103m l\u00e0 0,7 ppm. N\u1eebu ti\u1ebfp t\u1ee5c nh\u01b0 hi\u1ec7n nay th\u00ec \u0111\u1ebfn th\u1eadp k\u1ec9 30 c\u1ee7a th\u1ebf k\u1ec9 XXI, nhi\u1ec7t \u0111\u1ed9 b\u00ecnh qu\u00e2n tr\u00ean Tr\u00e1i \u0110\u1ea5t s\u1ebd cao h\u01a1n so v\u1edbi hi\u1ec7n nay t\u1eeb 1,5 \u2013 4,5 oC. L\u00fac \u0111\u00f3 n\u01b0\u1edbc bi\u1ec3n s\u1ebd bi\u1ebfn \u1ea5m v\u00e0 d\u00e2ng l\u00ean, m\u1ef1c n\u01b0\u1edbc bi\u1ec3n s\u1ebd t\u0103ng cao 0,2\u20130,4 m c\u1ed9ng v\u1edbi n\u01b0\u1edbc b\u0103ng h\u00e0 tan th\u00ec m\u1ef1c n\u01b0\u1edbc bi\u1ec3n s\u1ebd c\u00f2n d\u00e2ng l\u00ean cao h\u01a1n n\u1eefa, c\u00f3 kh\u1ea3 n\u0103ng d\u00ecm ph\u1ea7n l\u1edbn c\u00e1c th\u00e0nh ph\u1ed1 duy\u00ean h\u1ea3i xu\u1ed1ng \u0111\u00e1y bi\u1ec3n, khi\u1ebfn cho m\u00f4i tr\u01b0\u1eddng t\u1ef1 nhi\u00ean v\u00e0 h\u1ec7 th\u1ed1ng sinh th\u00e1i b\u1ecb ph\u00e1 ho\u1ea1i nghi\u00eam tr\u1ecdng. C\u00e1c tai h\u1ecda nh\u01b0 gi\u00f3 l\u1ed1c, m\u01b0a b\u00e3o, s\u00f3ng th\u1ea7n, h\u1ea1n h\u00e1n, l\u0169 l\u1ee5t s\u1ebd x\u1ea3y ra d\u1ed3n d\u1eadp, \u0111em l\u1ea1i nh\u1eefng t\u1ed5n th\u1ea5t kh\u00f4ng th\u1ec3 l\u01b0\u1eddng \u0111\u01b0\u1ee3c cho n\u00f4ng nghi\u1ec7p, l\u00e2m nghi\u1ec7p, ch\u0103n nu\u00f4i, ng\u01b0 nghi\u1ec7p, v.v.. c\u0169ng nh\u01b0 cu\u1ed9c s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi. C\u00f3 ng\u01b0\u1eddi g\u1ecdi \u0111\u00f3 l\u00e0 \u201ctai h\u1ecda ch\u1ec9 \u0111\u1ee9ng sau chi\u1ebfn tranh h\u1ea1t nh\u00e2n\u201d.<\/p>\n\n\n\n
\u0110\u1ed1i m\u1eb7t v\u1edbi hi\u1ec7n tr\u1ea1ng Tr\u00e1i \u0110\u1ea5t \u1ea5m l\u00ean, ch\u00fang ta c\u1ea7n c\u00f3 \u0111\u1ed1i s\u00e1ch g\u00ec? C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 \u0111\u01b0a ra hai lo\u1ea1i \u0111\u1ed1i s\u00e1ch: \u201c\u0111\u1ed1i s\u00e1ch th\u00edch \u1ee9ng\u201d v\u00e0 \u201c\u0111\u1ed1i s\u00e1ch h\u1ea1n ch\u1ebf\u201d. \u0110\u1ed1i s\u00e1ch th\u00edch \u1ee9ng t\u1ee9c l\u00e0 d\u00f9ng c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ec3 th\u00edch \u1ee9ng v\u1edbi s\u1ef1 bi\u1ebfn \u0111\u1ed5i c\u1ee7a kh\u00ed h\u1eadu m\u00f4i tr\u01b0\u1eddng. V\u00ed d\u1ee5, \u1edf v\u00f9ng duy\u00ean h\u1ea3i x\u00e2y d\u1ef1ng c\u00e1c con \u0111\u00ea \u0111\u1ec3 ng\u0103n ng\u1eeba n\u01b0\u1edbc bi\u1ec3n d\u00e2ng l\u00ean cao; c\u1ea3i ti\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a n\u00f4ng s\u1ea3n \u0111\u1ec3 th\u00edch \u1ee9ng v\u1edbi s\u1ef1 bi\u1ebfn \u0111\u1ed5i c\u1ee7a kh\u00ed h\u1eadu. Bi\u1ec7n ph\u00e1p h\u1ea1n ch\u1ebf t\u1ee9c l\u00e0 h\u1ea1n ch\u1ebf nh\u1eefng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi g\u00e2y t\u00e1c h\u1ea1i \u0111\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng. V\u00ed d\u1ee5 h\u1ea1n ch\u1ebf l\u01b0\u1ee3ng th\u1ea3i kh\u00ed CO2, c\u1ea3i ti\u1ebfn ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng kh\u00f4ng d\u00f9ng than \u0111\u00e1 v\u00e0 d\u1ea7u m\u1ecf l\u00e0 ch\u1ee7 y\u1ebfu, ra s\u1ee9c khai th\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng M\u1eb7t Tr\u1eddi, h\u1ea1t nh\u00e2n, s\u1ee9c gi\u00f3 v.v.. Ngo\u00e0i ra, c\u1ea7n ph\u1ea3i tr\u1ed3ng c\u00e2y g\u00e2y r\u1eebng \u0111\u1ec3 t\u0103ng th\u00eam s\u1ee9c h\u1ea5p th\u1ee5 kh\u00ed CO2 c\u1ee7a th\u1ef1c v\u1eadt, khi\u1ebfn cho h\u00e0m l\u01b0\u1ee3ng kh\u00ed CO2 trong kh\u00f4ng kh\u00ed gi\u1ea3m th\u1ea5p, t\u1eeb \u0111\u00f3 m\u00e0 ng\u0103n ng\u1eeba Tr\u00e1i \u0110\u1ea5t ti\u1ebfp t\u1ee5c \u1ea5m l\u00ean.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: To\u00e0n c\u1ea7u \u1ea5m l\u00ean; Kh\u00ed cacbonic.<\/p>\n","protected":false},"excerpt":{"rendered":"
H\u00e0m l\u01b0\u1ee3ng kh\u00ed CO2 trong kh\u00f4ng kh\u00ed \u1edf d\u01b0\u1edbi m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh c\u00f3 th\u1ec3 khi\u1ebfn cho Tr\u00e1i \u0110\u1ea5t duy tr\u00ec \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 th\u00edch h\u1ee3p. N\u1ebfu trong kh\u00f4ng kh\u00ed kh\u00f4ng c\u00f3 kh\u00ed CO2 th\u00ec nhi\u1ec7t \u0111\u1ed9 b\u00ecnh qu\u00e2n to\u00e0n c\u1ea7u ch\u1ec9 kho\u1ea3ng -15oC, Tr\u00e1i \u0110\u1ea5t s\u1ebd \u1edf trong m\u00f4i tr\u01b0\u1eddng b\u0103ng gi\u00e1. N\u1ebfu h\u00e0m […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,17],"tags":[],"class_list":["post-9382","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-moi-truong"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9382","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=9382"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9382\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9382"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}