Of course, the poor starve first, unless they are growing their own food. Small gardens and farms are providing two thirds of all food in the former Soviet Union now. Gardens and village-based small farms are going to be essential to feed the people. More people are going to grow food, if they have land to grow it on. Soil will be precious and all human waste will be seen for what it is, compost.
Most waste can turn into earth.
Santa Cruz landfill has begun making compost from shredded yard wastes. Cardboard, newspapers, paper cups it can all be added to the mix. It's as organic as cow shit with fewer nitrates. There were presenters on natural healing which relies heavily on healing the earth and our role on it. Women and native Americans gave their unique perspective on a vision for a healthy planet.