A parent and school-choice advocacy organization in New York City is calling on the city’s charter schools to fill thousands of empty seats in 3rd through 8th grades. Backfilling, or replacing ...

Backfilling has begun of the former salt mine in Gorleben, Lower Saxony - previously considered a possible site for geological disposal of Germany's high-level radioactive waste. The road milling ...

CEBU, Philippines - To control backfilling activities which are feared to cause "untoward incidents," the Talisay City council approved Tuesday on first reading a proposed ordinance regulating it.

Japan’s latest borehole mixing innovation helps reduce settlement risks and strengthens the stability of new structures in dense city centers. Study: Sustainable approach to urban pile removal through ...