He said George W Bush's support for the use of food crops in fuel productionwould cause 3bn deaths from hunger.
The article in the Granma newspaper did not mention Mr Castro's health.
Officials say they expect Mr Castro - who temporarily handed over power tohis brother last July - to resume activities in government soon.
Last month, Mr Castro appeared in a live radio broadcast for the first timesince falling ill.
The Cuban leader's failure to appear in public - and the silence from theCuban authorities - had fuelled speculation about the seriousness of hiscondition.
Mr Castro's article appears in Thursday's edition of Granma, under theheadline: "Condemned to premature death by hunger and thirst more than 3bnpeople of the world."
In it, he says he has been "meditating quite a bit sincePresident Bush's meeting with North American automobile makers".
During that meeting on Monday, Mr Castro writes, "the sinister idea ofconverting food into combustibles was definitively established as the economicline of foreign policy of the
Mr Bush has set targets for an increased use of ethanol - which in the
Last Mod: 20 Eylül 2018, 18:16