The later alternative requires experience in glacier crossing.

One alternative often offered by professionals as a solution to personal assistance needs requires young people to work long hours for a 'dole plus' package.

But these alternatives would require a dramatic sacrifice of diversity, the academic quality of all admitted students, or both.

In order to be profitable, many alternatives to oil require the price of oil to remain above some level.

To be sure, alternatives to gasoline-powered cars will require dramatic changes.

The alternatives include beach wells to eliminate this concern, but require more energy and higher costs, while limiting output.

Mr. Gramm's alternative, which passed, could require no more than $26 billion, and possibly much less.

And the main alternative, looking at slides, requires setting up equipment.

This alternative would require more research, meaning it would take a few years longer.

Another alternative is requiring employer contributions only if other measures, like changes in insurance laws, fail to increase coverage sufficiently.