Among the causes of wetland loss, which one do people have the least control over?

Droughts are a natural phenomenon characterized by prolonged periods of below-average precipitation, leading to a significant reduction in water availability. Unlike human activities, such as deforestation, industrial development, and urbanization, which are driven by human decisions and actions, droughts occur due to environmental factors largely outside of human control.

While people can implement water management strategies or conservation efforts in response to drought conditions, they cannot prevent or control the occurrence of droughts themselves, which are influenced by climate patterns and other ecological variables. This distinction highlights why droughts are considered a cause of wetland loss that is least influenced by human activities. The other options involve direct human actions that can be managed or altered through policies and regulations, illustrating a clear difference in the level of control people have over these causes compared to natural events like droughts.