Three years of record low precipitation have led the Sau Reservoir in Spain’s...

NASA Climate Change 2 years ago

Three years of record low precipitation have led the Sau Reservoir in Spain’s Catalonia region to dry up to 1% capacity in March 2024. #Landsat satellites captured the change in the region’s second largest reservoir with these two images from March 3, 2023 and March 4, 2024. According to the Meteorological Service of Catalonia, 2023 was the second-driest year on a record that goes back 110 years, second only to 2022. The past three years in Catalonia have all seen the least amount of rain since 1914. On February 1, 2024, the Catalan government declared a drought emergency, which put restrictions on water consumption for residents, businesses, and farmers. Over the past three years, the water level in this reservoir has decreased substantially. In April 2023, the reservoir dipped to 7 percent of capacity. In early March 2024, the water level dropped to 1 percent of capacity. It is typically at about 65 percent of capacity for this time of year. Video Description: Alternating between two satellite images of the Sau Reservoir a year apart. The landscape around the oval shaped reservoir lake in the middle is green and textured, indicating different heights. There is a winding river that travels up to the top of the image on the left side then diagonally toward the reservoir in the middle. The river then winds to the right side of the image. In the first image there is a tan border around a blue-green body of water for the reservoir. In the second the reservoir is mainly tan colored with a little light green colored at the bottom. #NASA #ClimateChange #Drought #EarthFromSpace #Catalonia #Spain

layersDaily Sustainability Digest

Published about 1 hour ago



Momentum in sustainable construction is now driven by tangible progress in materials and methods rather than declarations. The focus on reducing embodied carbon in materials and undertaking robust whole life carbon assessment is reshaping how developers, architects and engineers define sustainable building design. Initiatives such as the Reducing Plastics in Construction Summit reinforce the value of renewable building materials, eco-design for buildings and circular economy in construction frameworks to eliminate petroleum-based polymers and improve resource efficiency in construction.

Biobased composites, recyclable resins and modular approaches are being evaluated through lifecycle assessment tools that can accurately measure the carbon footprint of construction and inform sustainable material specification throughout each project stage. Digitisation is rapidly becoming integral to low carbon design and energy-efficient buildings. Advanced platforms now enable unified modelling of cost, performance and carbon, aligning lifecycle cost optimisation with environmental sustainability in construction.

TM2 Bygg’s software-led method illustrates how low carbon building processes built on data-driven insights help achieve net zero carbon buildings and deliver improved building lifecycle performance. At the policy level, regulators are reinforcing requirements for measurable reductions in embodied carbon and clear evidence of net zero whole life carbon outcomes. These shifts point toward an industry-wide transformation grounded in whole life carbon transparency and the adoption of BREEAM v7 and other sustainable building practices to standardise reporting.

The result is a market that values circular construction strategies, end-of-life reuse in construction and environmental product declarations (EPDs) as verification of a project’s environmental impact of construction. New renewable energy infrastructure, including next‑generation geothermal systems, could redefine the carbon footprint reduction potential of green building materials and low carbon construction materials. As baseload renewables expand, achieving carbon neutral construction and sustainable urban development becomes increasingly viable. The sector is moving beyond pilot projects toward a mature phase of green construction, integrating life cycle thinking in construction and decarbonising the built environment as core business practice.

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