> Silent demise of rangelands threatens climate, food security 联合国报告：全球牧场退化问题严重 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 in a report on Tuesday. 《联合国防治荒漠化公约》21日发布的一份报告警告，全球多达50%的牧场退化，危及粮食安全和数十亿人的福祉。 Rangelands constitute 54 percent of the Earth's land cover, account for one-sixth of global food production, and represent nearly …
《联合国防治荒漠化公约》秘书处21日发布《全球土地展望——牧场与牧民专题报告》，指出全球牧场退化问题严重，呼吁加强保护牧场。报告说，牧场约占全球陆地面积的54%，但可能多达50%的牧场已退化，危及人类六分之一的食物供应。 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 in a report on Tuesday. 《联合国防治荒漠化公约》21日发布的一份报告警告，全球多达50%的牧场退化，危及粮食安全和数十亿人的福祉。 Rangelands constitute 54 percent of 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 …
