The third planet -- The home planet -- The rocky planet -- The blue planet -- The veiled planet -- The hazardous planet -- The ancient planet -- The bountiful planet -- The finite planet -- The singular planet -- The uninhabitable planet -- The living planet -- The warming planet -- The polluted planet -- The crowded planet -- The sustainable planet -- Water as sustenance -- Air as sustenance -- Soil as sustenance -- Food as sustenance -- Energy as sustenance -- Materials as sustenance -- Prospects for sustenance -- Policies for sustenance.