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How will we build, heat and light our homes and cities?

The  of our global greenhouse gas emissions come from electricity and heat generation. A sustainable city will likely contain:  

•  on roofs, , and even  generating power and heat; 

•  and sensor-controlled lighting for paths/ pocket parks; 

• on buildings; plants on the outskirts of the city. 

Resources on sustainable energy: 

BBC Bitesize: . 

Where will we shop?

• ; , refurbished tech retailers and upcycled furniture stores; 
• ; 
• , where you can borrow items e.g. to do DIY. 

Resources on sustainable shopping: 

³Ô¹ÏÍø’s innovators who’ve created ; recycled dyes; plastic free vegan leather grown from bacteria. 

What will we do with our waste?

Less consumption means less waste. Sustainable cities will have a circular economy, where waste and pollution will be cut, materials will be circulated, and nature will be regenerated, with features like these:

• Turning waste into products, from or seaweed, to ; 

• Drop off points for reusable crockery, as is pioneering;  

• ; on city outskirts.

Resources on reducing, reusing and recycling:  

BBC Bitesize: ; the Ellen MacArthur Foundation have a good .  

How will we get around?

• Car-free, cycle zones that have ; 
• , and , including and hydrogen haulage trucks; 
• Electric vans and cars, , and EV hire schemes; 
• that are , where people are encouraged to walk to gain the ; 
• and to transport supplies, and planes that run on sustainable aviation fuel.  

Resources on sustainable transport:  

BBC Bitesize - ; Sustainability mag’s , I³¾±è±ð°ù¾±²¹±ô&°ù²õ±ç³Ü´Ç;²õ five things you should know about sustainable travel and this  graph.   

Where will we source our food and drink?

 with beef and lamb the worst offenders. Meanwhile, , contributing  Sources of food in a sustainable city will include: 

•  and , integrated into buildings and underground; 

• and  like  and microbial foods generated through processes such as fermentation;  

•  to prevent food waste. 

Resources on sustainable food:  

BBC Bitesize - ;  ,  ; Our World in Data’s  graph.  

How much nature will there be – and where?

Nature-based solutions play a vital role in reducing the impacts of climate change. In cities this can reduce the impact of flooding, absorb heat and purify air. Protecting less than 1% of land could help save a third of unique and endangered species. Sustainable cities will be home to: 

• , ,  and ;  

• and natural water management systems like ,  and ; 

•  to reduce heat and provide food; 

•  and air quality sensors. 

Resources on nature-based solutions: 

°Õ³ó±ð W°Â¹ó . Check out , a start-up that  has created a microscopic algae coating for buildings to trap carbon dioxide.