Sustainable Design

What environmental problem does the video say concrete and steel production contribute to?

• Increased biodiversity

• Air pollution and climate change

• Improved soil fertility

• Decreased ocean acidity

Why is cork considered a sustainable building material in the video?

• Cork trees are harvested once and then cut down

• Cork requires heavy chemical processing

• Cork is harvested without cutting down the tree and regrows every nine years

• Cork only grows in tropical rainforests

What is the main benefit of the coffee husk building blocks produced by Woodpecker in Colombia?

• They are transparent and allow light through

• They are expensive but very decorative

• They create lightweight, pest- and moisture-resistant tiny homes that are low-cost

• They require imported materials from Europe

Newspaper board (newspaper wood) is made by which process mentioned in the video?

• Gluing, layering, drying, compressing, and sanding sheets of recycled newspaper

• Melting newspapers and pouring them into molds

• Burning newspapers to ash and mixing with cement

• Weaving newspapers into fabric

Which property of mycelium makes it especially attractive for construction and packaging?

• It is non-biodegradable and permanent

• It is 100% biodegradable, compostable, and can be strong and fire-resistant when dried

• It is metallic and conducts electricity

• It requires fossil fuels to produ

How is green algae used in the Hamburg building project described in the video?

• As a decorative wallpaper only

• It grows in glass panels, is converted to biomass, and helps generate electricity and heat for the building

• It is mixed directly into concrete to strengthen it

• It is used as insulation inside walls without any energy production

What problem does the Canadian company NoWaste address by recycling diapers?

• Producing fertilizers for farms

• Turning them into new diapers only

• Reducing landfill volume and converting materials into roof tiles and other building products

• Using them as a fuel in home stoves

What is cob (sometimes spelled "cobb") made from, according to the video?

• Pure cement and steel

• Sandy soil, clay, and straw mixed and compressed

• Recycled plastic only

• Sawn timber and nails

What innovation did Kenyan engineer Nzambi Mate create to tackle plastic pollution?

• A machine that transforms plastic into clothing fibers

• A method to dissolve plastic into water

• Machines that mix melted plastic with sand and compress the mixture into durable, lightweight bricks

• A technique to bury plastic safely in landfills

Which plant-based materials are mentioned as sources for plant-based polyurethane rigid foam used in insulation?

• Kelp, hemp, and bamboo

• Pine needles and coal
  

• Synthetic petroleum only

• Glass and aluminum fibers