Informed looks at the three existential necessities of life—breathing, drinking, and eating—concur: there should be no unavoidable apocalypse by 2030 or 2050. Oxygen will remain abundant. Concerns about water supply will increase in many regions, but we have the knowledge and we should be able to mobilize the means needed to avert any mass-scale life-threatening shortages. And we should not only maintain but improve average per capita food supply in low-income countries, while reducing excessive production in affluent nations.
