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

CNN Climate 8 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 6 hours ago



Revised BREEAM standards are redefining sustainable construction, underscoring that material selection now dictates both environmental sustainability in construction and project accreditation. The update to BREEAM Mat 05 embeds sustainable building design at the earliest project phase, aligning with principles of embodied carbon reduction, resource efficiency in construction, and Whole Life Carbon Assessment. By mandating attention to embodied carbon in materials, design teams are compelled to treat every specification as a determinant of carbon footprint reduction and lifecycle performance.

The intensifying climatic extremes in the UK are transforming sustainable design priorities. Record heatwaves have exposed the fragility of older housing stock, accelerating demand for low carbon design and energy-efficient buildings built to resist prolonged high temperatures. Integrated approaches to net zero whole life carbon, low embodied carbon materials, and eco-design for buildings are now viewed as essential to resilient, low carbon building development that minimises the carbon footprint of construction while protecting occupant comfort.

Regulatory and financial bodies are converging on a shared expectation of quantifiable lifecycle assessment and life cycle cost transparency. This shift validates sustainable building practices as a condition for investment and compliance, advancing the circular economy in construction through strategies such as end-of-life reuse in construction and circular construction strategies. Developers are recognising that net zero carbon buildings and green construction methods form the backbone of carbon neutral construction and sustainable urban development.

The nuclear sector’s move to integrate lifecycle responsibility in projects such as Hinkley Point C highlights that decarbonising the built environment is extending beyond conventional commercial development. Verified lifecycle oversight demonstrates the maturing focus on environmental product declarations (EPDs) and building lifecycle performance. The industry is entering a phase where BREEAM v7, sustainable material specification, and green infrastructure collectively define competitive advantage. The question confronting global construction stakeholders is whether on-site practice can match the accelerating policy drive towards net zero carbon outcomes.

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