22
Jan
Water is our second primary need right after oxygen, and it’s essential for our survival. Animals and plants are also dependent on water, which means that this resource is vital for the ecosystems. This makes water one of the most precious resources on Earth.
While 71% of the planet’s surface is covered with water, only a small percentage is suitable for drinking. Only three percent of this amount is freshwater and is mostly locked up in glaciers, atmospheric vapor, and the soil.
Sources
The fresh water available for human consumption is mostly in surface water, i.e., lakes, rivers, creeks, and streams. This water is also responsible for keeping the ecosystems alive.
But there is another important...