High above Earth, a cutting-edge satellite is zooming around the planet 15...

CNN Climate 2 years ago

High above Earth, a cutting-edge satellite is zooming around the planet 15 times a day. It is hunting for leaks of methane — an invisible, super-polluting gas that is dramatically warming the planet. Its measurements are precise enough to plot heatmaps of the biggest offenders, lighting up all the places they are venting the gas into the atmosphere at a staggering rate, unbeknownst to regulators. MethaneSAT’s early findings are that the oil and gas industry is belching the gas at a rate three to five times higher on average than what the Environmental Protection Agency has estimated, and way beyond the rate the industry itself agreed to in 2023. “This is just very, very revealing — for the first time, to see this kind of observation,” said Ritesh Gautam, lead senior scientist on MethaneSAT. “The images we started to see were just extraordinary in terms of the overall precision of the data.” Tap the link in bio for more. 📸 : Julian Quinones/CNN/MethaneSAT

layersDaily Sustainability Digest

Published about 2 hours ago



Wildfires destroying homes in the Midlands and Shropshire crews moving between fire and flood show why sustainable construction must now treat climate resilience as a core design requirement. Sustainable building design, low carbon design and eco-design for buildings need to account for overheating, fire risk, drainage capacity, defensible space and durable fabric performance.

Whole life carbon, embodied carbon and life cycle cost are becoming inseparable from safety, insurability and asset value, making whole life carbon assessment and lifecycle assessment essential tools for developers, councils and investors.

Karachi’s mangrove loss reinforces the construction value of green infrastructure and nature-based flood protection. Tidal creeks, mangrove belts and resilient coastal landscapes can reduce erosion, store carbon and protect communities, supporting environmental sustainability in construction without relying solely on hard engineering. For sustainable urban development, green construction and eco-friendly construction must prioritise site planning, biodiversity and building lifecycle performance alongside energy-efficient buildings and net zero carbon buildings.

Plans for a wind-turbine recycling facility in the Scottish Highlands point to a more mature circular economy in construction. Renewable infrastructure must address end-of-life reuse in construction, resource efficiency in construction and the embodied carbon in materials, especially composite blades and complex low carbon construction materials. The shift supports circular construction strategies, low embodied carbon materials and net zero whole life carbon targets, aligning with BREEAM, BREEAM v7 and wider expectations for environmental product declarations (EPDs). The strongest signal for decarbonising the built environment is clear: sustainable building practices must measure the carbon footprint of construction across design, use, maintenance and decommissioning.

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