You are at:

Understanding black tides

Learning all about current knowledge in terms of response to oil spills.

The learning guide

Cedre produced this learning guide in order to help you to understand more about oil spills.


You'll find all the information needed to understand:

- oil: what is it, transporting oil, oil in our everyday lives

- water pollution: black tides, natural discharge

- sources: release on land, oil tanker accidents, operational discharge, surveillance and deterrence, terminals, worksites, platforms

- impact: first effects, evolution of oil, pollution at sea, pollution of the shoreline, impact on flora and fauna, factors affecting impact, economic impact

- response: organisational framework, carrying out response, response at sea, response on land, waste disposal

- rehabilitation: public concerns, fate of oil, regaining a natural balance, resuming activities, future prospects.


The learning guide, avalaible at, free of charge or for download

Learning guide
Learning guide



The posters

Four posters, available free of charge at or for download:

  Amoco Cadiz the largest ever oil spill

  Exxon Valdez the most expensive oil spill in history

  Recent spills around Europe (1991-2002)

  Oil ten exclamations  

Exxon Valdez
Exxon Valdez
oil spill 10 exclamations
oil spill 10 exclamations



The website

Our website devoted to oil spills provides additional information, videos, animations and a quiz


The quiz for users to test their knowledge

Quizzes Black Tides
Quizzes Black Tides