The technical know-how-----

The technical know-how, if not the political commitment, appears already at hand to feed the world’ s exploding population and so to eradicate at least the ancient scourges of malnutrition and famine.

What is the meaning of the above sentence?

I am looking for answer-----

There need not be any more instances of malnutrition or famine caused by over-population, because we have the technology to create enough food for everyone. However, the politicians have not committed themselves to funding this technology.