Rather, he said, the constraints will be "the political will in developing countries to produce a viable and sustainable plan to transform education."
The £100m transition fund will be a lifeline giving organisations the space they need to take stock and build sustainable plans for the future.
D'Angelo recommends that his clients exercise at least five times a week, create a sustainable plan, and keeping exercise fun.
While they may lead to short-term weight loss, most cleanses don't work as healthy, sustainable weight-loss plans.
Moving forward, UNESCO and local authorities at the site are in the process of creating a sustainable plan for the future of the site.
He described the the two men's 90-minute breakfast meeting as one in which they "reanalyzed the characteristics of what we consider to be an economically sustainable plan."
This was part of the airline's "comprehensive and sustainable plan to improve its operations, financial performance and customer service experience".
Ms Abbot adds: "We need sustainable plans to keep people safe.
We have the opportunity to draw up a sustainable, innovative and model plan.
The Baltic Sea Strategy covers the areas of environment, economics, culture and education and security, providing a sustainable plan for the development of this region.