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12/10/2026
Terril 49 in Mazingarbe: Forest, Seed Orchard, and Greenway Inaugurated
On October 7, nearly 50 people gathered in Mazingarbe to inaugurate the forest area, the seed orchard, and the greenway developed at the foot of slag heap 49. At the
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Our best wishes for 2026
Best wishes 2026 Together, let’s continue to sustainably transform our communities. Thanks to your trust, ECT develops and delivers meaningful projects for local governments and the people they serve.
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ECT 2025 customer barometer
In December 2025, ECT conducted its annual survey among its clients in the construction and public works sector to assess their level of satisfaction with our offerings and services for
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By 2025, 800 children at ECT sites
In 2025, nearly 800 children visited ECT sites. We invite them to participate in educational and sports workshops. These initiatives enable younger generations to discover our ecological redevelopment projects for
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ECT Hauts de France opens a new site in Harnes (62)
An accessible site for inert soil from the local construction industry Since December 8, the site in Harnes has been receiving inert soil from local construction sites. Located just 5
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“Let’s plant for nature” at the future Chelles park (77)
At the end of November 2025, the “Let’s plant for the Nature” initiative brought together 40 children from recreation centers and 20 young elected representatives from the Children’s Municipal Council
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Backfilling the Baillet quarry in France on video
Discover ECT’s backfilling operations at the Baillet-en-France underground gypsum quarry (PLACO®) in this video produced by our partner Bergerat RENT France.. ECT’s teams rely on the latest generation of
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