Sentence examples for has been substantial concern from inspiring English sources

There has been substantial concern that aspen has been declining in the western US, but trends of aspen persistence vary both geographically and temporally.

Furthermore, there has been substantial concern in the literature about how stand-alone programs may drain government of scarce expertise (25, 26).

"For over two decades, there have been substantial concerns about working conditions, particularly worker safety," said Aron Cramer, the president and chief executive of B.S.R., a consulting firm that works with businesses on social-responsibility issues.

Although progress has been substantial, uncertainties persist concerning the best way to manage HIV disease [ 4].

Both Latin America/Caribbean and CEE/CIS, for example, include individual countries that give cause for concern, while there has been substantial progress in many countries in Africa.

There has been substantial amount of research being carried out concerning STEP-NC, in particular EU and USA; its benefits and potentials are revealing and appealing.

"There has been substantial progress".

Myanmar's democratic progress has been substantial.

But the payoff has been substantial.

On finance, progress has been substantial.

The payoff has been substantial.