SANTA CRUZ — During the second half of the 19th century up until the early 1900s, lime production from limestone was one of Santa Cruz”s most important industries and was critical to the early ...

The kilns used to be almost as much a fixture on farms in these parts as silos. Burning limestone produced mortar for buildings, a soil fertilizer to counteract the slight acidification of manure, and ...

Autumn marks the end of Pennsylvania's growing season, but it does not mean that a farmer's work is done. For more than two centuries, one of the most important autumn chores for Monroe County farmers ...

The Royer Limestone Kiln was dedicated on Saturday. "One of the original structures on the Royer Farmstead, the kiln had fallen into disrepair and was in danger of being lost due to erosion and ...

The ZeroCAL approach, which can be integrated within the existing cement-production process, uses limestone feedstock to produce calcium hydroxide — which emits no carbon dioxide when burned to ...

After a decade in the works, researchers at University of California, Los Angeles, have successfully devised a way to produce cement with 98% less CO2 emissions than traditional methods. The UCLA team ...

Two late-19th century kilns that used to convert limestone into quicklime near Ruedi Reservoir continue to deteriorate, according to Pitkin County officials. Commissioners have a chance to save them.

An curved arrow pointing right. Thousands of workers in southern Pakistan spend their lives mining and cooking limestone. The process releases plumes of toxic smoke, polluting the environment and ...

A trek on the Cactus Forest Trail at Saguaro National Park east of Tucson offers spectacular views of the Sonoran Desert and something else: a glimpse into Tucson’s industrious past. Tucked into ...

A historic limestone kiln along the Susquehanna Trail in Manchester Township is in the limelight after a passing motorist noticed accelerated deterioration of a wall that is a few feet from the ...