Attempts are being made to solve the problem of waste disposal.

正在想办法解决废物处理的问题。

《牛津词典》

These waters present a disposal problem if they are not returned to the ground from which they were removed.

这些水如果不回到它们所被移出的地面，就会造成处理问题。

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But although the disposal of waste and the proliferation of nuclear weapons are profoundly important issues, the most severe problem may be the high and unpredictable cost of nuclear plants.

不过，尽管核废料处理和核武器扩散这些问题都极其重要，核电站那高昂而又不可控的成本才是最严重的问题。

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The problem of waste disposal, which torments and troubles the municipalities and administrations of the major cities of the world, will vanish by overnight.

FORBES: Initiative Would Shutter California Nuclear Plants For Decades While Feds Ponder Waste

Although the disposal problem will remain, at least the fuel rod will have earned its keep in the meantime.

ECONOMIST: Nuclear power

Despite rhetoric to the contrary, Obama pretty much has the same narrow range of tools at his disposal to fix the problem.

FORBES: Magazine Article