The rate of melting is not uniform, and a number of glaciers in the Karakoram Range on the western edge of the plateau are actually advancing.

不过，冰川也不是清一色地都在消融，实际上，在青藏高原西部边界的喀拉昆仑山脉，那里的冰川覆盖面积正在增长。

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Through a telescope we watched the unfolding drama of a puffin on a ledge, peering over the edge, thinking better of it, retreating, advancing, retreating.

我们通过一架望远镜观察了停留在岩架上的一只海鹦：它在张望，思索，忽进忽退。

youdao

"When they put fire retardant down on the leading edge of the fire, it's very effective in keeping the fire from advancing, " the lieutenant colonel said.

CNN: STORY HIGHLIGHTS

However, out there on the cutting edge, innovative urban planners, policy-makers, social entrepreneurs and impact investors are advancing the development of natural or green infrastructure (GI).

FORBES: Smart Communities will Build Green Infrastructure