“我们对什么在推动这一冰融尚无明确的认识，因为大气促成的-表面温度-还没有热到足以导致如此的冰融，”他补充说。

"We have not had a clear understanding of what is driving this melting because the atmospheric forcing - the temperature at the surface - is not warm enough to cause such a melting," he added.

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最近几个月，这种压力已导致大量铁矿石资产被钢企收购，并在今年促成了新的铁矿石定价机制。

In recent months, this has led to a number of iron ore mine acquisitions by steel companies, as well as a new pricing system for iron ore this year.

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在肯尼亚东部，儿童基金会说水质和卫生条件恶劣导致的霍乱大爆发也促成了儿童严重营养不良和死亡。

In Eastern Kenya, it says a major cholera outbreak caused by poor water and sanitation also is contributing to acute malnutrition and mortality.

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