Why do penguins waddle?👇🐧 Waddling from side to side as a walking...

BBC Earth 2 years ago

Why do penguins waddle?👇🐧 Waddling from side to side as a walking technique requires a lot of energy, but paradoxically for penguins, it can also help to conserve it. A penguin’s proportions make them well designed for seamlessly diving and gliding through water, but their walk isn’t quite as elegant. As a penguin sways to one side, the kinetic energy of its swing is stored as potential energy, which it then uses to power its next step. By moving in this way, its centre of mass is raised, so their muscles expend less energy to walk. Penguins therefore recover eighty per cent of the energy that they use on each step, which is the highest of any terrestrial animal. For comparison, humans get back around 65% with each step. Studies into penguins’ movement may increase our understanding of gait, and could lead to mobility treatments for humans. #EarthCapture by @myeonghoseo . . . . #WorldPenguinDay #Penguin #AnimalFacts

layersDaily Sustainability Digest

Published about 8 hours ago



The construction sector is entering a phase where sustainable construction targets are turning into measurable outcomes. Governments in the MENA region are adopting the UN’s new framework for National Cooling Action Plans, integrating energy efficiency, passive design, and climate-resilient envelopes into sustainable building design. This marks a decisive move toward net zero Whole Life Carbon goals and greater environmental sustainability in construction. Rising global temperatures are driving policies that make low carbon design and energy-efficient buildings fundamental, ensuring that the carbon footprint of construction becomes a key metric of performance.

Bio-based and renewable building materials such as wood fibre insulation are emerging as viable solutions for mainstream housing, supporting circular economy in construction principles. Their adoption enhances the use of low embodied carbon materials and encourages life cycle thinking in construction. For manufacturers, proving the embodied carbon in materials is now essential for compliance and credibility, especially as builders pursue green construction and eco-friendly construction practices.

Governance frameworks are tightening. The UK’s Future Homes Hub has launched a board dedicated to embodied carbon and resource efficiency in new homes, signalling that Whole Life Carbon Assessment and lifecycle assessment are now critical parts of procurement and regulatory compliance. A growing network of specialists is helping firms quantify environmental product declarations (EPDs), measure life cycle cost, and track the environmental impact of construction with verifiable data.

The market is aligning on measurable outcomes where building lifecycle performance determines long-term asset value. Developers that apply life cycle cost analysis and Whole Life Carbon strategies are mitigating future risks linked to stranded assets. The expectations for sustainable building practices now extend across eco‑design for buildings, sustainable material specification, and circular construction strategies that support decarbonising the built environment. In the emerging regulatory landscape, carbon neutral construction means treating data as proof of integrity and design as a vehicle for measurable sustainability.

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