The video explores the surprising concentration of microplastics in the Arctic, despite its remote location. It discusses how microplastics, originating from various sources, travel through ocean currents, ice, and rivers to reach the Arctic. The video highlights the environmental impact of microplastics on marine life and emphasizes the need for global and local solutions, such as improved waste management and biodegradable materials. It concludes with a call to action for reducing plastic use and mentions Brilliant's educational platform.

What surprising fact about the Arctic Ocean is highlighted in the introduction?

• It is home to the largest icebergs.

• It is the most densely populated region.

• It has one of the highest concentrations of microplastics.

• It has the clearest waters on Earth.

What are microplastics primarily defined by?

• Their color

• Their size

• Their origin

• Their weight

Which of the following is NOT a source of microplastics?

• Fishing gear

• Synthetic fabrics

• Natural ocean debris

• Exfoliating face washes

What did studies find about microplastics in the Arctic ice?

• They are trapped in high concentrations.

• They are only found in shallow waters.

• They are absent in the ice.

• They are only found on the surface.

What is a major collection zone for microplastics according to the video?

• The ocean surface

• The bottom of the ocean

• The Arctic air

• The coastal regions

Which ocean current is mentioned as a pathway for microplastics to the Arctic?

• The Gulf Stream

• The Bering Sea current

• The Indian Ocean current

• The Antarctic Circumpolar current

What percentage of the world's river discharge ends up in the Arctic?

• 20%

• 15%

• 10%

• 5%

What is one proposed solution to reduce microplastic pollution?

• Use more synthetic fabrics

• Ban all fishing activities

• Increase plastic production

• Implement biodegradable fishing nets

Why is global cooperation necessary to tackle microplastic pollution?

• Microplastics are easy to manage alone.

• Microplastics travel across borders.

• Microplastics are only a local issue.

• Microplastics respect national borders.

What is a key action individuals can take to help reduce microplastic pollution?

• Recycle and reuse more

• Avoid all seafood

• Use more plastic products

• Travel to the Arctic