沙漠边缘的半干旱土地处于非常脆弱的生态平衡之中，而这些半干旱区域对于持续增加的环境压力的适应能力极其有限。
The semiarid lands bordering the deserts exist in a delicate ecological balance and are limited in their potential to adjust to increased environmental pressures.
Peter Senge 和 Goran Carstedt 认为这种发展是值得称赞的，但他们认为，简单地采用生态效率创新实际上会加剧未来的环境压力。
Peter Senge and Goran Carstedt see this development as laudable but suggest that simply adopting ecoefficiency innovations could actually worsen environmental stresses in the future.
这个独特的生态系统可能很快就会面临压力。
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