Found on seabeds from Alaska to Australia, seagrass meadows are one of the most widespread coastal habitats on Earth. While they cover just one thousandth of the ocean floor, these marine plants play an important role in aquatic ecosystems — from providing nursery grounds for marine species, to storing up to 18% of the ocean's carbon.
But this vital underwater habitat is in decline — with a loss of about 7% a year globally — due to factors like coastal development, climate change, overfishing and pollution.
ReefGen, a company that's working to repopulate lost seagrass habitats around the globe, wants to help. Five years ago, ReefGen was formed by Google X cofounder Tom Chi, who witnessed the decline of coral reefs close to his home in Hawaii and turned to engineering and robotics for solutions.
ReefGen first engineered a robot named Cora that plants coral plugs onto reefs to help regenerate them. Cora provided the foundation for Grasshopper – the startup's seagrass planting iteration.
Read more at the link in our bio.
📸: CNN
Wildfires destroying homes in the Midlands and Shropshire crews moving between fire and flood show why sustainable construction must now treat climate resilience as a core design requirement. Sustainable building design, low carbon design and eco-design for buildings need to account for overheating, fire risk, drainage capacity, defensible space and durable fabric performance.
Whole life carbon, embodied carbon and life cycle cost are becoming inseparable from safety, insurability and asset value, making whole life carbon assessment and lifecycle assessment essential tools for developers, councils and investors.
Karachi’s mangrove loss reinforces the construction value of green infrastructure and nature-based flood protection. Tidal creeks, mangrove belts and resilient coastal landscapes can reduce erosion, store carbon and protect communities, supporting environmental sustainability in construction without relying solely on hard engineering. For sustainable urban development, green construction and eco-friendly construction must prioritise site planning, biodiversity and building lifecycle performance alongside energy-efficient buildings and net zero carbon buildings.
Plans for a wind-turbine recycling facility in the Scottish Highlands point to a more mature circular economy in construction. Renewable infrastructure must address end-of-life reuse in construction, resource efficiency in construction and the embodied carbon in materials, especially composite blades and complex low carbon construction materials. The shift supports circular construction strategies, low embodied carbon materials and net zero whole life carbon targets, aligning with BREEAM, BREEAM v7 and wider expectations for environmental product declarations (EPDs). The strongest signal for decarbonising the built environment is clear: sustainable building practices must measure the carbon footprint of construction across design, use, maintenance and decommissioning.
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