The Klinaklini Glacier is the largest glacier in western North America outside...

NASA Climate Change 3 years ago

The Klinaklini Glacier is the largest glacier in western North America outside of Alaska, but it is shrinking. These two #Landsat images from Sept. 26, 1984 and Sept. 22, 2023 show how the glacier retreated northward more than 3 miles (5 kilometers). It is also getting skinnier. The ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) on NASA”s Terra satellite shows that klinaklini’s main stem thinned by over 650 feet (nearly 200 meters) between 2000 and 2019. And it’s not alone. Decades of satellite images of western Canada make it clear that the region’s glaciers are shrinking and that the rate of ice loss is accelerating. Scientific analysis found that rising temperatures and increases in rainfall, rather than snowfall, in the area are fueling the ice losses. This is a trend that is being seen across the planet. According to one recent estimate, glaciers, excluding the ice sheets on Greenland and Antarctica, lost an average of 267 gigatons of mass per year between 2000 and 2019, equivalent to 21 percent of the observed sea level rise during that period. Video Description: Alternates between two satellite views of Klinaklini Glacier 39 years apart. The first image shows white snow and ice covered areas that look like branches on the left side of the image. In the middle of the image are lines of dark gray and white that create a slow wave. This is the Klinaklini Glacier. At the top of the image is an area where two of this ice rivers meet, like a zipper. At the bottom of the image, the glacier line fades into a dark green. On the right side of the image, it is primarily shades of green uneven terrain. There is a bit of ice and snow covered areas closer to the glacier. In the second image, the look is similar, except most of the snow and ice covered areas now show a light gray and brown rocky terrain as it melted away. The glacier now only goes to the middle of the image before it changes to a light green color labeled as the glacial lake. There are also small white dots in the lake that are icebergs. #NASA #ClimateChange #Earth #EarthFromSpace

layersDaily Sustainability Digest

Published about 8 hours ago



Sustainable construction is moving from ambition to delivery as policy, procurement and building performance converge around whole life carbon, embodied carbon and life cycle cost.

Record uptake of Boiler Upgrade Scheme vouchers in Britain indicates that heat pumps are entering the mainstream for housing, retrofit and low carbon building specification. Germany’s 2045 phase-out of oil, gas and coal reinforces the direction for net zero carbon buildings across Europe: electrification, energy-efficient buildings and low carbon design are becoming market requirements, not optional sustainability claims.

The industry’s capacity to deliver remains the decisive constraint. Calls for stronger construction training and reskilling underline a core risk for environmental sustainability in construction: policy can drive demand, but competent labour determines whether sustainable building design performs in practice. The post-Building Safety Act regime raises the bar for building control, fire-safety competence and verifiable compliance.

Net zero whole life carbon ambitions depend on robust whole life carbon assessment, lifecycle assessment, sustainable material specification and evidence such as environmental product declarations (EPDs), not on poorly installed systems or untested green building products.

Circular economy in construction is shifting into practical specification. New guidance on reusing doors shows how embodied carbon in materials can be reduced through repeatable procurement, inspection, warranties and end-of-life reuse in construction. The next phase of green construction will rely on circular construction strategies, resource efficiency in construction, low embodied carbon materials and low carbon construction materials as much as new technology. Standards including BREEAM and BREEAM v7 will sharpen expectations for building lifecycle performance, carbon footprint reduction and credible eco-design for buildings. The sector’s credibility now rests on proving that sustainable building practices, eco-friendly construction and carbon neutral construction can withstand the scrutiny of installers, inspectors, clients and quantity surveyors.

Show More

camera_altFeatured Instagram Posts:

Get your opinion heard:

Whole Life Carbon is a platform for the entire construction industry—both in the UK and internationally. We track the latest publications, debates, and events related to whole life guidance and sustainability. If you have any enquiries or opinions to share, please do get in touch.

Let's chat!
Avatar

WLC Assistant

Ask me about sustainability

Hi! I'm your Whole Life Carbon assistant. I can help you learn about sustainability, carbon assessment, and navigate our resources. How can I help you today?