Story highlights More people have been displaced than live in Moscow; more people lost their homes than live in greater Boston

The WFP has cut food ration sizes by 30% for lack of donations

(CNN) Syria is a Hell on Earth that is expanding in plain sight.

The death toll there has doubled in a year's time, if an opposition group is right.

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Since civil war broke out there, 310,000 people have been killed, the Syrian Observatory for Human Rights said Thursday. A year earlier, SOHR's tally stood at 162,402. And the year before, the United Nations put the death toll at 70,000.

Violence has plunged well over half of all Syrians into such destitution that they are in dire need of survival aid, the United Nations says, as food rations are being cut for lack of donations.

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Numbers alone can't convey the immeasurable anguish of millions, but maybe it can remind the rest of us of the magnitude of the world's currently greatest tragedy.

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