The industry should also be required to replace dangerous chemicals with safer alternatives.

Some schools, hospitals and government agencies are replacing chemical-based cleaning agents with natural alternatives.

Virtually all asbestos-containing products will be replaced with safer alternatives.

Green chemistry is a scientific movement aimed at replacing toxic chemicals with safer alternatives.

In some cases, these have been replaced with similar alternatives.

However, most or all of the uses of fossil fuels in agriculture can be replaced with alternatives.

After all, we cannot afford to reject solutions without replacing them with alternatives.

It needs tough language added requiring chemical plants to replace dangerous chemicals with safer alternatives.

It warns against replacing proven medical treatment with unproven alternatives.

It would be wiser to replace this station with cheaper and probably superior alternatives.