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

CNN Climate 2 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 7 hours ago



Europe’s construction sector is preparing for a fundamental recalibration of carbon costs. From 2026 the European Union will apply a carbon border adjustment on energy‑intensive imports such as steel and cement, with the United Kingdom expected to align. Embodied carbon will shift from abstract concern to commercial liability, forcing contractors to integrate whole life carbon assessments and lifecycle assessment data into procurement. Rebar, plate and clinker‑based materials sourced abroad will carry visible carbon premiums, driving the rapid adoption of environmental product declarations (EPDs), low embodied carbon materials and low carbon construction materials. Supply chains are restructuring around electric‑arc‑furnace steel, supplementary cementitious binders and resource efficiency in construction that treats carbon footprint reduction as a direct life cycle cost.

Rising renewable generation is altering the economics of sustainable construction. Forecasts show US capacity exceeding 1 TW by 2035, enabling greener steelmaking, electrified kilns and net zero whole life carbon construction processes. As grids decarbonise, operational emissions fall while embodied carbon in materials dominates the carbon footprint of construction, increasing pressure for sustainable material specification and circular economy strategies. Designers are embedding eco‑friendly construction methods, circular construction strategies and low carbon design principles into sustainable building practices that align with BREEAM v7 standards for net zero carbon buildings.

Resilience is moving to the forefront of sustainable building design. Emerging technologies such as offshore desalination infrastructure demonstrate how green infrastructure and eco‑design for buildings can merge water security and energy efficiency goals. These innovations extend life cycle thinking in construction to marine‑grade systems, testing building lifecycle performance and whole life carbon resilience in demanding environments.

The acceleration of climate extremes is transforming environmental sustainability in construction from aspiration to obligation. Clients, regulators and insurers are converging on sustainable architecture capable of delivering verifiable carbon neutral construction, life cycle cost transparency and measurable environmental impact reduction. Sustainable design is now inseparable from decarbonising the built environment and achieving verifiable net zero carbon outcomes for each new low carbon building within a circular economy in construction.

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