be of value

Each will degrade at different rates, but for carbon credits to be of value the carbon needs to be stored long enough to be classed as 'permanent'.

“I made the decision, in consultation with Patrick, after considerable soul-searching about my career at this stage and how I can best be of value to the profession I love.”

You have to be of value; value is market value.

The group’s work ethic is driven by a desire to “be of value” to families in need, said Donald Bowman, a retired architect who has been a member of Toys for Charity for nearly a decade.

"Now, the system has changed in a fundamental way. We've got an oceanographic process out there that is creating this. As a scientist, and as a fisherman, I feel an urgent need to try to understand this situation, not only to help answer the interesting scientific questions around this problem, but do so in a way that we are able to understand the situation and eventually mitigate it in a way that would be of value to society," he said.