ڕێڕەوی زانیاری · کەرتی ٥-٢

Reading: how will we produce more food?

The article on printed page 34: the projected population rise to 2050, how overusing limited land and water turns land to desert, the Oklahoma Dust Bowl as a worked example of what went wrong, genetically modified crops and the worry about weeds, and hydroponics as an alternative; with the multiple-choice comprehension.