[Overheating Ollie] needs [a cheap way to cool his desert home without burning coal] because [he works hard all day and wants to come home to a cooler house that also leaves less of a carbon footprint on his beloved town].

[Sustainable Sara] needs [a small and affordable home/apartment that uses space innovatively and sustainably] because [she cannot afford much but is passionate about efficient housing and saving the environment].

[Architect Andrea] needs [a stylish house that boasts its modern energy saving features] because [she is passionate about sustainable design and wants to create a positive environment for friends and family].