Earth Science



Parts of a River System

All rivers are parts of a larger system called a watershed, where a river and its branches drain land.  Rivers are better defined as large, natural streams flowing through channels draining into even larger water bodies. All rivers are different,…
Read more





Increasing Acidity

According to the UN-sponsored Intergovernmental Panel on Climate Change (the IPCC for short,) the balance of scientific opinion is that mankind is warming the planet. While climate changes are complex, it does seem that emissions of greenhouse gases, especially carbon…
Read more