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Study finds emissions from road construction could be halved using today’s technology

Green Car Congress

The construction sector accounts for a quarter of CO 2 emissions, in Sweden and globally. All the materials and activities involved in its construction were calculated for their total climate impact: energy and materials used in the construction and what emissions these contribute to. Karlsson et al. What materials are used?

Emissions 243
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Chalmers team develops method to reduce levels of mercury in sulfuric acid

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Researchers at Chalmers University of Technology, Sweden, have developed a method that can reduce the levels of mercury in sulfuric acid by more than 90%, even from low levels. Today, mercury is mostly removed at an earlier stage—from the concentrates and recycled streams at the smelter before sulfuric acid is produced.

Mercury 195