A realistic appraisal of human nature leads to a view of democracy as
a dyke against the flood of self - interest, as a means of approaching basic justice in relationships between people who are by nature inclined toward injustice because they look first to their own advantage.
Some things we might do if we got desperate enough: scrub greenhouse gasses from the atmosphere technologically, geo - engineering to create cooling effects to offset greenhouse heating, [SLIDE 42] lots of adaptation policies, cropping patterns, heat drought and salt - resistant crops, strengthen public health and environmental engineering defenses
against tropical disease, new water projects for
flood control and drought management,
dyke storm surge barriers, avoiding further development on
flood plains in near sea level.
Aside from ruining the undercarriages of residents» Porsches, this ground - up
flooding has a second, perhaps more deleterious effect on the long - term feasibility of Miami Beach: Normal defenses
against a rising ocean — such as sea walls or
dykes — are useless.