Energy & Green Tech

Five unusual ways to make buildings greener (literally)

Buildings adorned with plants are an increasingly familiar sight in cities worldwide. These "green walls" are generally created using metal frames that support plastic plates, onto which pre-grown plants are inserted. These ...

Energy & Green Tech

Why recycling solar panels is harder than you might think

It's hard work soaking up sunlight to generate clean electricity. After about 25 to 30 years, solar panels wear out. Over the years, heating and cooling cycles stress the materials. Small cracks develop, precipitation corrodes ...

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