The correct option is D It affects the entire human race in the form of food insecurity, climate change, environmental hazards, loss of biodiversity, etc.
Land is a vital resource to humankind. Land degradation affects the entire human race with wide-ranging consequences. Climate change exacerbates variations in yields and income from agriculture. It threatens the resilience of agro-ecosystems and stability of food production systems. Desertification is a form of land degradation. Its impact on health include higher threats of malnutrition, more water and food-borne diseases, respiratory diseases, and spread of infectious diseases. Thus, it is important to facilitate coordinated investments in sustainable land management practices.