[環境] 環境退化；環境質量下降
Soil erosion is a major factor of causing environmental degradation.
土壤侵蝕是造成環境退化的一個主要因素。
So the framework of livelihood strategy should be used to explain and intervene in issues of population pressure and environmental degradation in ecotones.
基于居民的生計方式來解釋和解決生态脆弱區的人口壓力和環境退化問題，将是一個新的方向。
The study of 23 regions where environmental degradation has caused people to move had showed that fears of millions of people flooding across borders could be misplaced.
弗蘭科斯稱，對23個因為環境退化導緻人們遷移的地區的研究顯示，對數百萬人湧出國界的擔心可能是過慮了。
Where there are threats of serious or irreversible damage lack of full scientific certainty shall not be used as a reason for postponing cost-effective measures to prevent environmental degradation.
凡有可能造成嚴重的或不可挽回的損害的地方，不能把缺乏充分的科學肯定性作為推遲采取防止環境退化的費用低廉的措施的理由。
In the last two years, an accounting analysis has been made of physical quantification of environmental pollution, imputed treatment cost and the environmental degradation cost for 42 industries.
在過去的2年中，一份分析賬戶已經形成，它由42個産業所造成的環境污染，治理費用和環境退化的實質定量而組成。
He says there is an over-emphasis on climate change as the only form of environmental degradation that poses challenges to the planet.
他說現在過于強調氣候改變是對地球産生威脅的環境退化問題的唯一形式。
It has created severe inequalities and environmental degradation and has contributed to the global imbalances that were at the root of the financial crisis.
它已造成嚴重的不平等和環境退化，并促成了全球性的不平衡，即金融危機的根源所在。
Will there be environmental degradation because of the Olympics?
舉辦奧運會是否将會使環境退化？
Environmental degradation, drought and increased disaster risk and incidence mean that in the future we will have to deal with more and more people falling back into poverty, it said.
這篇報告還說：“環境退化、幹旱、自然災害加劇、災害頻繁等，意味着未來我們必須應對越來越多的人走向貧困。”
Livelihood strategy is the key factor affecting the villages to respond to population pressure and environmental degradation.
生計方式是影響居民響應人口壓力和環境退化的關鍵因素。
The report also says China should achieve zero energy consumption growth in 2040 and zero environmental degradation growth in 2050.
報告還指出，中國應該在2040年實現能源消耗速率的零增長，在2050年實現生态環境退化速率的零增長。
They have also brought great costs, which include ecological and environmental degradation, social disruption associated with infrastructure construction, and economic problems.
但是供水系統也因此代價巨大，它令生态和環境退化，與基礎設施建設相關的社交中斷，還帶來經濟問題。
The goal of sustainable development is to increase the quality of life for all people without increasing environmental degradation, and without compromising the resource needs of future generations.
可持續發展是要提高各國人民的生活品質，但是我們不應加劇環境退化，影響人類後代對資源的需求。
I urge you all - and your contemporaries throughout China - to commit yourselves to finding answers to our century's great challenges of poverty, disease, and environmental degradation.
我鼓勵你們全體，全中國各地的你們這一代人，立志求索，為解決貧窮、疾病及環境退化等我們這個世紀所面臨的各種巨大挑戰，尋求途徑。
Environmental degradation（環境退化）指人類活動導緻自然生态系統質量下降的過程，表現為資源耗竭、生物多樣性喪失及環境功能受損。根據聯合國環境規劃署的定義，這一現象通常由工業污染、森林砍伐、過度開發和氣候變化等因素驅動（來源：UNEP官網）。
其核心表現包括：
典型案例是亞馬遜雨林年均損失4000平方公裡，導緻碳彙能力下降15%（NASA衛星監測數據。國際社會通過《2030年可持續發展目标》第15項，要求各國制定生态系統修複計劃（聯合國可持續發展目标官網。
Environmental degradation（環境退化）指自然環境因人類活動或自然因素導緻的逐漸惡化過程，具體表現為資源枯竭、生态系統破壞及污染加劇等現象。以下為詳細解析：
如需更具體的案例或擴展信息，可參考來源網頁（如海詞詞典 或環境科學文獻）。
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