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2050年海洋中塑料垃圾总重或超鱼类
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Topic: 2050年海洋中塑料垃圾总重或超鱼类 (Read 188 times)
equa178
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2050年海洋中塑料垃圾总重或超鱼类
June 06, 2017, 08:18:46 AM
#1
联合国秘书长:2050年海洋中塑料垃圾总重或超鱼类
中新网6月6日消息,据联合国网站消息,为期五天的联合国首次“海洋大会”5日拉开帷幕。联合国秘书长古特雷斯在大会开幕后发表主题为“扭转趋势”的演讲,呼吁各国采取果断行动,来养护和保障地球赖以生存的命脉——海洋的可持续利用和发展。
古特雷斯在演讲中指出,污染、过度捕捞和气候变化的影响正在严重破坏海洋的健康。古特雷斯称,根据最近一项研究,到2050年,海洋中塑料垃圾的总重量可能将超过鱼类。海平面持续上升使众多国家身处威胁之中;全球变暖导致的海水酸化使生物多样性前景堪忧;洋流的不断变化对天气模式产生严重影响。
他还称,地球上一些地方的渔业正在崩溃。死亡区域、即由于缺乏氧气而无法生存的“水下沙漠”的面积和数量正在迅速增多。来自工业、渔业、航运、矿业和旅游业的相互矛盾的需求正在对沿海生态系统造成不可持续的压力。
古特雷斯警告称,众多科学评估报告都描述了人类对最重要的生命支持系统的严重破坏,但情况仍在进一步恶化,各国政府也并未充分利用现有手段来遏制这一趋势。
古特雷斯呼吁通过协调一致的全球行动“解决人类制造的相关问题”。他强调,当务之急首先是必须结束将经济、社会发展需求同海洋健康之间人为的“一分为二”的错误做法;其次,应加强国际努力,采取扩大海洋保护区、加强渔业管理、减少污染、清理塑料废物等切实行动;此外,必须把“2030年议程”、“巴黎气候变化协定”和“亚的斯亚贝巴行动议程”的政治意愿转化为资助承诺。
根据联合国提供的资料,海洋覆盖全球面积的约72%,沿海地区人口约占全球总人口的37%。有关海洋方面亟待解决的问题包括海洋污染、过度捕捞、气候变化造成海平面上升、海水酸化等。其中塑料垃圾污染海洋问题不容忽视。资料显示,每年有800多万吨塑料进入海洋,对海洋生物、渔业、旅游业造成严重影响,经济损失达80亿美元。
equa178
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Re: 2050年海洋中塑料垃圾总重或超鱼类
June 06, 2017, 08:26:13 AM
#2
人类对海洋的污染最大,是该给海洋清清垃圾了。
Arthurk01
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Re: 2050年海洋中塑料垃圾总重或超鱼类
June 06, 2017, 02:13:08 PM
#3
应该的
Averya kate
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Re: 2050年海洋中塑料垃圾总重或超鱼类
June 06, 2017, 02:33:50 PM
#4
人类害死自己的人
equa178
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Re: 2050年海洋中塑料垃圾总重或超鱼类
June 06, 2017, 02:36:34 PM
#5
全球限塑,或许对海中生物的危害会将到最低。
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