Effective management of land and water resources is pivotal in alleviating human suffering by addressing key issues related to resource scarcity, environmental degradation, and socio-economic disparities.

1. Resource Availability: Efficient land and water management ensures the optimal use of these critical resources. Proper irrigation techniques and sustainable land use can enhance agricultural productivity, reducing food shortages and improving livelihoods. This is essential for combating hunger and poverty, particularly in regions prone to resource scarcity.

2. Environmental Protection: Responsible management practices help preserve ecosystems and biodiversity. Techniques like reforestation, soil conservation, and watershed management prevent land degradation, erosion, and water pollution. This contributes to ecological balance, which supports agriculture, protects natural habitats, and mitigates climate change impacts.

3. Disaster Risk Reduction: Effective water management can reduce the risks of floods and droughts. Implementing flood control measures, maintaining wetlands, and managing watershed areas help in controlling floodwaters and ensuring a steady water supply during dry periods, thus protecting communities from disaster-related miseries.

4. Sustainable Development: Integrating land and water management into planning processes fosters sustainable development. It ensures that current needs are met without compromising the ability of future generations to meet theirs. This involves balancing economic growth with environmental stewardship and social equity.

In summary, strategic management of land and water resources enhances resilience against environmental and economic shocks, improves quality of life, and reduces human suffering by ensuring resource availability, protecting ecosystems, and mitigating disaster risks.