Engineering

Building out of concrete, but without pouring concrete

EPFL researchers have built a footbridge prototype using reinforced-concrete blocks from walls of a building being renovated. The blocks were cut into individual pieces on site and assembled into a prestressed arch. This ...

Energy & Green Tech

Understanding consumer decisions about aging solar panels

By 2050, there could be 80 million metric tons globally of solar photovoltaics (PV) reaching the end of their lifetime, with 10 million metric tons in the United States alone—or the weight of 30 Empire State Buildings.

Energy & Green Tech

Building with new thinking and old components

On 21 February of this year, the leaders of seven Norwegian cities published a notice on new environmental requirements for the construction industry.

Energy & Green Tech

Global approach is needed on battery regulation

New European Union regulations on batteries could offer a huge boost to the global decarbonisation mission—but only if it leverages its political and economic weight to ensure a fairer global marketplace.

Energy & Green Tech

Big Tech backs plan to tackle e-waste crisis

Major technology firms including Dell, Microsoft and Google have joined a new initiative aimed at creating a circular economy for electronics by 2030, amid mounting alarm over the world's ballooning e-waste problem.

Second-hand site Vinted happy to scare clothing retailers

With more than 1.3 billion euros ($1.5 billion) in sales last year on its platform and a new acquisition under its belt, second-hand clothes innovator Vinted believes it is starting to scare fashion retailers—for the good ...

Energy & Green Tech

How to harness the power of biosolids to make hydrogen

Researchers have used biosolids to produce hydrogen from wastewater, in new technology that supports the comprehensive recycling of one of humanity's unlimited resources—sewage.

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