What percentage of the Earth is covered by wetlands?

Wetlands encompass approximately 6% of the Earth's surface. This percentage is significant because wetlands play a crucial role in the ecosystem. They act as natural water filters, help in flood control, and provide habitats for numerous species, both aquatic and terrestrial. Understanding the extent of wetland coverage is essential for conservation efforts and sustainable management of natural resources. It highlights the importance of wetlands in biodiversity, water quality, and climate regulation, showcasing their integral role in maintaining ecological balance.