Table 1 World examples of PBR facade projects

Algae Tower

An office tower in Melbourne, Australia, whose facade elements can be adjusted to the optimal sun angle to maximize the production of biomass and shading. Fig. 3 [21].

Algae-covered Towers

Four glass towers in Hangzhou, China, which can produce oxygen and absorb CO₂. Organic facades in algae. This will be the first residential building in the world built using this process. Fig. 4 [22].

Algae Urban Farm

An innovative ecological project in Iran, based on natural ecosystem processes and the traditional Iranian architecture as well as planned for the microclimate. Fig. 5 [23].

HOK / Vanderweil

GSA office building in Los Angeles is retrofit of a government building taking the concept of incorporating nature into design. Fig. 6 [24].