Have the students make a poster to raise awareness about the issue of sewage. Split them into groups of 2 or 3 and have them pick three pieces of information that really stood out for them and that they felt other people should be aware of.
Students will discuss the process of cleaning polluted water in terms of filtration. Students will also look more closely at other types of water clean up such as air stripping, bioremediation, and phytoremediation.
70% of the earth is covered by water but only 2% is drinkable, fresh water One litre of wastewater pollutes about eight litres of freshwater. There is an estimated 12,000 km³ of polluted fresh water worldwide
Reversing Water Pollution: PowerPoint presentation with blanks. How is polluted water cleaned? Not easy to reverse the effects of water pollution. It can be very expensive too. There are 2 common ways to fix pollution... what would they be??
