The document discusses how organizations adapt to uncertain environments and how managers can influence the external environment. It states that organizations need to adapt through innovation in order to respond to threats and opportunities when the environment is unpredictable. Managers can classify organizations into prospectors, defenders, or analyzers based on their adaptive strategies. Prospectors focus on innovation, defenders protect market share, and analyzers combine aspects of both. The document also recommends that organizations engage in monitoring the environment, strengthening cultural values like flexibility, and engaging in strategic planning to adapt to uncertainty. Managers can shape the external environment through introducing new products and technologies or influencing trends.