Water

Water is all around us. 70% of Earth is water. It impacts fisheries, water cycles, weather, and shipping routes. Learn about our freshwaters and oceans.

FRESHWATER

OCEANS

Freshwater

Freshwater | Water Science

What is the Hydrologic Cycle? 3 Steps of the Water Cycle

The hydrologic cycle describes how water moves continuously in nature. From evaporation, condensation and surface runoff – water is always in motion.

Why Watersheds Are Like Upside-Down Umbrellas

A Guide to Groundwater: Earth’s Hidden Freshwater Supply

States of Water: Gas, Liquid and Solid

How Does Eutrophication Work? Causes, Process and Examples

River Delta: How It Forms

Oceans

Ocean Salinity: How Much Salt is in Oceans?

Coral Reef Facts: Ocean Biodiversity Hotspots

Ocean Exploration: 20% Explored, 80% Unexplored

How Much Water Is on Earth?

First Water - Origin of Water Volcanoes or Comets

Did Earth’s First Water Come from Comets, Volcanoes or Asteroids?

What Causes Ocean Tides?

Oceans | Water Science

What Causes Tsunamis? A Guide to How Tsunamis Form

Tsunamis are long, tall waves that can be disastrous to anything nearby. But what causes tsunamis? 80% start from earthquakes. And how do tsunamis form?