Off Brazil's northeastern coast, where the sediment-heavy water of the vast...

CNN Climate 3 months ago

Off Brazil's northeastern coast, where the sediment-heavy water of the vast Amazon River tips out into the Atlantic, are two very different types of treasure. The first is an ecological gem: a 3,600 square-mile deepwater coral reef discovered less than a decade ago. The second treasure puts the first in immediate danger. Billions of barrels of oil may lie in the ancient sediments beneath the seabed, and licenses have just been approved to drill there. A few hundred miles north, off the coast of Guyana, companies are already pumping around 650,000 barrels of oil a day from a huge deep-water reservoir discovered in 2015. The find has transformed this rainforest-carpeted country into the planet's newest petrostate and highest oil producer per capita. Several thousand miles inland to the south, the wide, dusty plains of western Argentina's Vaca Muerta — "dead cow" in English — are dotted with oil wells. Fossil fuel production from this enormous shale deposit has boomed over the past decade, putting it on track to produce more than a million barrels a day by 2030, analysts predict. They are three very different countries: an economic behemoth with an environment-championing president, a biodiversity hotspot with high rates of poverty and an economically volatile country led by a chainsaw-wielding climate denier. Yet they are united in their quest to expand oil production, arguing it's vital to their economic and social development. This new fossil fuel boom is happening just as the impacts of the climate crisis — driven by fossil fuels — are beginning to bite in ever more alarming ways. People in South America are dying in fires, floods, storms and droughts made longer and more catastrophic by climate change. But as global oil demand stays strong, and other, richer, countries show few signs of scaling back, their argument is: Why shouldn't oil supply come from South America? Tap the link in bio for more. 📸: Pilar Olivares/Reuters; Anderson Coelho/Reuters

layersDaily Sustainability Digest

Published about 10 minutes ago



Sustainable construction is redefining its priorities as environmental sustainability in construction shifts from technology-driven solutions to place-based, resource-conscious design. Across climate-stressed regions, the focus is turning to whole life carbon assessment, lifecycle assessment and life cycle cost as essential tools to measure and control the carbon footprint of construction. Developments in the US Mountain West are embedding low carbon design principles, addressing drought and urban growth constraints through sustainable building design that integrates water efficiency, green infrastructure and renewable building materials into district-scale masterplans.

In India, reconstruction efforts in landslide-prone regions expose the financial and environmental risks of neglecting embodied carbon in materials and sustainable building practices. Resilient schemes now apply eco-design for buildings and life cycle thinking in construction to avoid repeating failures, reinforcing that whole life carbon and embodied carbon metrics must guide future housing strategies.

Urban housing demonstrates the growing viability of net zero carbon buildings and low carbon construction materials, supported by sustainable material specification and green building products that deliver measurable performance improvements. Investors are tying building lifecycle performance to life cycle cost benefits, transforming sustainable design into a mainstream financial metric rather than a niche initiative.

Corporate campuses and mixed-use retrofits are consolidating a retrofit-first logic. The drive to decarbonise existing stock is aligning with circular economy in construction principles, end-of-life reuse in construction and circular construction strategies that minimise demolition and embodied carbon losses. Achieving net zero whole life carbon and BREEAM V7 certification is becoming the benchmark for responsible modernisation, integrating resource efficiency in construction and environmental product declarations (EPDs) into procurement systems.

Uneven policy frameworks and material supply constraints are prompting adaptive low-impact construction strategies that incorporate circular economy thinking and carbon footprint reduction across borders. Designs must allow flexibility to meet differing lifecycle assessment standards while maintaining alignment with global goals for decarbonising the built environment.

Future-ready sustainability depends on district-level efficiency, hazard-aware land planning and community-led stewardship. Success belongs to those who demonstrate environmental sustainability at the level that truly counts—the whole place—delivering net zero carbon outcomes through sustainable construction that unites performance, resilience and economic viability.

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