> Silent demise of rangelands threatens climate, food security
聯(lián)合國(guó)報(bào)告：全球牧場(chǎng)退化問(wèn)題嚴(yán)重

Up to 50 percent of the world's rangelands are degraded, endangering food security and the wellbeing of billions, warned the UN Convention to Combat Desertification (UNCCD) in a report on Tuesday.
《聯(lián)合國(guó)防治荒漠化公約》21日發(fā)布的一份報(bào)告警告，全球多達(dá)50%的牧場(chǎng)退化，危及糧食安全和數(shù)十億人的福祉。

Rangelands constitute 54 percent of the Earth's land cover, account for one-sixth of global food production, and represent nearly one-third of the planet's carbon reservoir, according to a report.
根據(jù)《全球土地展望——牧場(chǎng)與牧民專題報(bào)告》，牧場(chǎng)約占全球陸地面積的54%，占全球食物供應(yīng)的六分之一，占地球碳儲(chǔ)量的近三分之一。

"When we cut down a forest, when we see a 100-year-old tree fall, it rightly evokes an emotional response in many of us. The conversion of ancient rangelands, on the other hand, happens in 'silence' and generates little public reaction," said the UN group’s Executive Secretary Ibrahim Thiaw.
《聯(lián)合國(guó)防治荒漠化公約》秘書處執(zhí)行秘書易卜拉欣?蒂奧說(shuō)，當(dāng)人們看到森林遭到破壞、古樹被砍時(shí)，通常會(huì)有所觸動(dòng)，但古老牧場(chǎng)的轉(zhuǎn)變卻常在“沉默”中發(fā)生，很少引起公眾的注意。

"Imbalance between the supply of and demand for animal forage lands leads to overgrazing, invasive species, and the increased risk of drought and wildfires -- all of which accelerate desertification and land degradation trends around the world," said Maryam Niamir-Fuller, co-chair of the International Support Group for the UN's International Year for Rangelands and Pastoralists 2026.
聯(lián)合國(guó)2026年國(guó)際牧場(chǎng)和牧民年國(guó)際支持小組聯(lián)合主席瑪麗亞姆?尼亞米爾?富勒表示：“動(dòng)物飼草地供需失衡導(dǎo)致過(guò)度放牧、物種入侵以及干旱和野火風(fēng)險(xiǎn)增加，所有這些都加速了全球各地的荒漠化和土地退化趨勢(shì)。”

"For the sake of future generations and economic stability, we need to improve awareness of and safeguard the immense value of rangelands," said Carlos Manuel Rodriguez, CEO and chairperson of the Global Environment Facility.
全球環(huán)境基金首席執(zhí)行官卡洛斯?曼努埃爾?羅德里格斯說(shuō)，為了子孫后代和經(jīng)濟(jì)穩(wěn)定，人們需要提高對(duì)牧場(chǎng)巨大價(jià)值的認(rèn)識(shí)并加以保護(hù)。

The report recommends integrating climate strategies, reducing land conversion, and supporting pastoralism to restore rangeland health.
該報(bào)告建議整合氣候戰(zhàn)略，減少土地轉(zhuǎn)換，支持畜牧業(yè)恢復(fù)牧場(chǎng)健康。

"The meaningful participation of all stakeholders is key to responsible rangeland governance, which fosters collective action and integrates traditional knowledge and practical skills," said Pedro Maria Herrera Calvo, the report's lead author.
報(bào)告主要作者佩德羅?瑪麗亞?赫雷拉?卡爾沃：“所有利益相關(guān)者的切實(shí)參與是牧場(chǎng)治理的關(guān)鍵，這可以推動(dòng)共同努力，促進(jìn)傳統(tǒng)知識(shí)和實(shí)踐技能的融合?！?/p>

> Word of the day丨 persistent organic pollutants control
每日一詞丨持久性有機(jī)污染物控制

China has made remarkable progress in controlling persistent organic pollutants (POPs), successfully eliminating 29 types of the harmful substances.
我國(guó)持久性有機(jī)污染物控制取得了顯著成效，成功淘汰29種類持久性有機(jī)污染物（POPs）。

【知識(shí)點(diǎn)】
持久性有機(jī)污染物（POPs）是指具有環(huán)境持久性、生物蓄積性、遠(yuǎn)距離環(huán)境遷移的潛力，并對(duì)人體健康或生態(tài)環(huán)境產(chǎn)生不利影響的有機(jī)污染物。

我國(guó)成功淘汰29種類POPs，即全面淘汰公約對(duì)中國(guó)已生效的POPs生產(chǎn)和使用，每年避免了數(shù)十萬(wàn)噸POPs的產(chǎn)生和環(huán)境排放。我國(guó)實(shí)現(xiàn)了在二噁英類排放相關(guān)行業(yè)產(chǎn)量或處置量大幅上升的情況下，重點(diǎn)行業(yè)煙氣二噁英排放強(qiáng)度大幅下降，向大氣排放的二噁英總量在2012年達(dá)峰后逐步下降，大氣環(huán)境中二噁英濃度相應(yīng)呈下降趨勢(shì)，一般人群膳食二噁英類平均攝入量低于世界衛(wèi)生組織的健康指導(dǎo)值且呈下降趨勢(shì)。

【相關(guān)詞匯】
生態(tài)修復(fù)
ecological restoration

環(huán)保產(chǎn)業(yè)
environmental protection industry

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