A world of knowledge explored
# urban biodiversity, rooftop gardens, pollinator habitats, green roofs, urban ecology, biodiversity conservation
# urban biodiversity, rooftop gardens, pollinator conservation, urban ecology, green rooftops, biodiversity hotspots, city sustainability
# rooftop gardens, urban biodiversity, green roofs, urban ecology, sustainable cities, stormwater management
# urban beekeeping, rooftop gardens, biodiversity, pollination, city ecology, honey production, community engagement
# urban greening, rooftop gardens, transit hubs, sustainable cities, green infrastructure, stormwater management, urban heat island