According to the MA, some 10- 20 per cent of drylands are already degraded, and desertification ranks among the greatest environmental challenges today and is a major impediment to meeting basic human needs in drylands.
Since 2014, engineers have noticed that the thrusters Voyager 1 has been using to orient the spacecraft, called“attitude control thrusters,” have been degrading.
While global GDP more than doubled between 1981 and 2005, 60 per cent of the world' s ecosystems have been degraded or exploited unsustainably in the meantime.
By 2020, 135 million people risked being driven from their lands because of continuing desertification; approximately 70 per cent of drylands utilized for agriculture were already degraded and at risk of desertification.
The only option is to work together to restore the already degraded environment and natural resource base and build strong environmental capital so that the survival of future generations is ensured.
(a) Target 1. Achieve a land-degradation-neutral world by 2030: To attain this, it is necessary to manage lands sustainably and regenerate those already degraded to make them fertile again;
七成干旱地区已经退化,水资源枯竭。
Of the arid area has deteriorated and water resources have disappeared, leading to soil degradation.
他们已经退化了好几个层次了。
They were in decline at several levels.
非洲大陆至少40%的土地已经退化。
At least 40 per cent of the African continent' s land is degraded.
全球森林面积的30%被皆伐,20%的森林已经退化。
About 30 percent of the global forest cover has been completely cleared, and 20 percent has been degraded.
生态恢复援助,以恢复生态系统已经退化,损坏或破坏的过程。
Ecological restoration is providing assistance to the recovery of ecosystem that has been damaged, degraded, or destroyed.
人们认为,约有30%的土地(集水区、牧区和农田)已经退化。
Some 30 per cent of the land(catchments, range areas and agricultural lands) is considered degraded.
绘画和音乐确实已经退化,并且大部分已失去了对群众的感染力。
Painting and music have definitely degenerated and largely lost their popular appeal.
是的,好的,赛道已经退化了一点,可能会失去一点抓地力。
Yeah, OK, the track has degraded a little bit, probably lost a little bit of grip.
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