See explanation in Indications of psycho-social coherence and memorability from fullerenes? (2022)
As an example, nodes are 30 challenging problems (blue nodes) with a complementary set of 30 remedial strategies (orange nodes) cited in Spiraling trends: cyclones in a climate of change? (2012) from a discussion of Convergence of 30 Disabling Global Trends. Titles are highlighted on mouseover. As an indication of possibilities, nodes are only ordered arbitrarily and arrows are only indicative of possible systemic interaction