National trash: Reducing waste produced in US national parks

When you think of national parks, you might picture the vast plateaus of the Grand Canyon, the intricate wetlands of the Everglades, or the inspiring viewscapes of the Grand Tetons. You probably don't envision 100 million ...

How to program materials

Ali Gooneie simulates on his computer what holds the world together right at its very core: atoms, molecules, molecular chains and bundles—then lumps and fibers, which emerge from these. With his calculations, the Empa ...

A sustainable and recyclable thermoelectric paper

Thermoelectric materials, capable of transforming heat into electricity, are very promising for converting residual heat into electrical energy, as they convert hardly usable or nearly lost thermal energy in an efficient ...

Is there any point in recycling?

To sort or not to sort, that is the question. Lots of people wonder whether it's really worth their time and effort to separate, wash and store recyclable materials – especially if it takes more energy to recycle, or if ...

The world's plastic problem is bigger than the ocean

As you read this, a strange object that looks like a 2,000-foot floating pool noodle is drifting slowly through the central north Pacific Ocean. This object is designed to solve an enormous environmental problem. But in so ...

Research shows cities take long road to recycling

Among municipalities recycling and reusing construction waste, including gravel, concrete, sand and asphalt, Ontario has its 'leaders' and its 'laggards,' explained Kate Graham, a Political Science professor at King's and ...

Why can't all plastic waste be recycled?

The UK produced 11m tonnes of plastic waste in 2017, and recycled around two thirds of it. Or so it seemed. A report by the National Audit Office (NAO) shows that over half of the UK's recyclable waste is sent overseas for ...

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