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The video discusses the persistent issue of green algae on the coast of Brittany, which has been a long-standing problem affecting tourism. Recently, the death of a horse and the unconsciousness of a rider highlighted the severe health risks posed by the gases released during algae decomposition, particularly hydrogen sulphide. The local community of Saint-Michel-en-Crève is struggling to manage the problem, facing significant financial costs to keep beaches clean. The situation underscores the need for broader support to address the environmental and health challenges posed by green algae.

What was the initial perception of the green algae problem in Brittany?

• A beneficial environmental phenomenon

• A major health crisis

• A tourist attraction

• A minor aesthetic issue

What dangerous gas is produced by the decomposition of green algae?

• Carbon dioxide

• Hydrogen sulphide

• Oxygen

• Methane

How are the locals in Saint-Michel-en-Crève responding to the algae issue?

• Celebrating the algae as a natural wonder

• Relocating to other areas

• Ignoring the problem

• Mobilizing to address it

What is the annual cost for the community to manage the algae problem?

• 200,000 euros

• 50,000 euros

• 150,000 euros

• 100,000 euros

What realization did the community come to after the horse's death?

• The algae problem is unsolvable

• The algae problem could have severe consequences

• The algae problem is a minor inconvenience

• The algae problem is purely aesthetic