Can only traditionally produced crops feed the increasing world population? if not, what can be done at community level to reverse it, bearing in mind the increase migration from rural areas to urban, and climate change.

No

Explanation:

Traditional crops are still produced by traditional methods in many parts of the world by either tribals or the practice of various countries but this does not mean that they are resistant to pests or germs and infections to meet the requirements of millions of population on earth. Man has thus created HYV seeds that are genetically robust and modified to suit the harsh environments with less irrigation these crops can produce good quality results and thus, the community at large has to turn towards the hybrid and strong crops. So, as to adopt these and meet the growing demands of people in rural areas so as the increase in migration from rural to urban to rural areas can be decreased and climate change and other issues can be tackled more openly.

Ibelieve that would be a

It is c. naturally in the environment