We have reviewed the content of all resources listed below to be sure they are appropriate for supporting instruction. However, as the resources listed below are open-source materials, we cannot be held responsible for changes in content.
RESOURCES
This National Geographic website discusses what marine pollution is and some of how it got there. It talks about pollution's many forms and what many countries are doing to clean up the oceans and keep pristine ecosystems clean.
This Crash Course Ecology video discusses many different pollutants, not just marine pollution. It gives examples and talks about why the example is particularly bad.
The Collins English Dictionary website defines sewage.
This National Geographic video shows where sewage goes once it leaves homes in London and the process sewage undergoes in order for water to return to the river.
The Dictionary.com website gives five possible definitions of effluent. The first three deal with something flowing out or forth. The last two have to do with sewage treatment.
This video gives the definition of effluent. It advises that effluent refers only to liquid discharge.