is the introduction of contaminants into the natural environment that cause adverse change
waste material or unwanted things that you throw away
is the release of a liquid petroleum hydrocarbon into the environment, especially marine areas, due to human activity, and is a form of pollution
It can occur in water bodies of any sizes, such as ponds, rivers, lakes or oceans, and can result in low fish reproduction
is the gradual heating of Earth's surface, oceans and atmosphere
