People often tend to solve a problem by addressing only what they see. Which is mostly only the surface of a bigger problem, affected and restricted by an ever bigger system. System thinkers often use the iceberg model as a metaphor to illustrate that one must choose a broader perspective to understand the root-causes of a problem.
Only if you understand the root-causes of a problem you can sustainably solve it. Considering the complexity of problems we are currently facing on a global scale, systems thinking is one most relevant skills.
This article explains how to solve a problem within a system by outlining the various leverage points in a system and the effectiveness of each leverage point.
Sources: World Economic Forum & The Donella Meadows Project – Academy for Systems Change