And even a cursory look at the numbers makes a compelling case for action.
As any parent knows, however, "because I said so" is not the most compelling reason for action.
Step 2 then involves articulating a compelling business case for action appropriate to the specific business.
What's in it for the Palestinian leadership of Mahmoud Abbas is simple but compelling: trading symbolism for action.
Mr. Summers, then the deputy Treasury secretary, said at the time that there was a compelling scientific case for action on global warming but that a too-rapid move against emissions of greenhouse gases risked dire and unknowable economic consequences.
The case for action is compelling: a sustainable city is a more competitive city and can offer its citizens better lives.
In his letter demanding more time be allocated to the debate, he wrote: "While many colleagues agree with the compelling moral and legal case for action, a large section of Labour MPs remain unconvinced about two areas in particular and would welcome more clarity on these issues.
After which, we must develop a compelling vision and a blueprint for action that will reinvent the way we educate our children, marshal resources, pursue our research projects, communicate and share our discoveries, and conduct ourselves in the world community.
"Despite the compelling moral and economic case for action on sanitation, progress is too little and too slow," Ban Ki-moon, U.N. secretary general said in a statement.
Although compelling information indicates the need for action to serve this vulnerable population, more detailed and systematic data collection would assist in crafting better policies, interventions, and educational tools and materials.
By clearly laying out the unrealistic options for action, she makes a compelling case that the only path forward is to revive negotiations with Pyongyang.
