Like the Columbia, some large brooks come together to make rivers. Most rivers start in high mountains or hills and end in oceans. Climate and length Flooding Pollution Acknow-ledgments Main Regions Home Page Return to top of page Return to Regions Main Page Climate and length Rivers sometimes have a different climate such as cold, warm, and hot. A lot of rivers don't have life, but some have fish. Rivers have been important to people.
Some rivers are narrow and some rivers are wide.
You may not have known, but rivers can hurt people and cause lots of damage. It rains too much. Return to top of page Return to Regions Main Page Pollution People all over the world pollute in rivers. This damages the rivers and the animals that live in them. Also, poisonous liquids are dumped in rivers.