TED-Ed: Vermicomposting: How worms can reduce our waste - Matthew Ross

The video discusses the significant issue of global food waste, highlighting that a third of food produced is wasted, costing billions. It introduces worms as a solution, explaining their role in converting organic waste into natural fertilizers through vermicomposting. The process of setting up a worm bin at home is detailed, emphasizing the use of redworms. The video also covers worm reproduction and the benefits of their castings as fertilizers. Finally, it explores vermicomposting as a business opportunity, especially in urban areas, promoting sustainability and efficient food consumption.

What fraction of the global food supply is wasted, according to the video?

• One quarter

• One third

• Two thirds

• One half

Which species of worm is primarily used for vermicomposting in North America?

• Tiger worm

• Nightcrawler

• Redworm (Eisenia foetida)

• Common earthworm

What is the main product of vermicomposting that is used as a fertilizer?

• Worm skins

• Worm eggs

• Worm castings

• Worm cocoons

How long does it take for new worms to hatch from cocoons in a vermicomposting bin?

• 11 weeks

• 8 weeks

• 15 weeks

• 5 weeks

What is a potential benefit of large-scale vermicomposting facilities?

• Creation of black gold as a soil additive

• Reduction in worm population

• Production of synthetic fertilizers

• Increased landfill space