In many public places, it’s hard to avoid distracting screens. News and commercials keep streaming at you—even if you don’t want to watch. These glasses help. A special film turns screens black while you keep seeing everything else around you.

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More than 70 major cities around the world have pledged to end their reliance on fossil fuels and become carbon neutral by 2050. However, Copenhagen aims to accomplish this goal in the next seven years. Bikes play a central role in the strategy of the Danish capital. While other cities have parking garages for cars, Copenhagen has them for bicycles. Virtually all its 600,000 residents own a bicycle, and the city has more than 200 miles of dedicated cycle lanes.

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Plastic pollution is a major environmental problem. It's possible to convert all plastics directly into useful forms of energy and chemicals for industry, using a process called "cold plasma pyrolysis."

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Head and neck cancers account for only four percent of all cancer cases in the U.S.

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It’s so easy to forget the human factor when talking about the refugee crisis. The United Nations say we are now witnessing the highest levels of displacement on record, with around thirty people each minute being forcibly expelled from their homes.

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Ninety-one years ago, Nancy Astor became the first woman to take her seat in parliament. She stayed there for the next 27 years, speaking regularly in debates, getting into all sorts of disputes, and frequently causing a fair amount of controversy.

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Avoiding forest carbon emissions is just as urgent as halting fossil fuel use. That's the message contained in a statement written by 40 scientists from five different countries urging the Intergovernmental Panel on Climate Change (IPCC) to consider preserving and regrowing forests as an important part of limiting global warming to 1.

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There's waterproof and then there's the surface developed by engineers at the University of California San Diego. They've developed a surface so hydrophobic that it can actually be used to generate electrical voltage, turning seawater into 50 millivolts.

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Hospital food is an oxymoron. But in one experiment in Berlin that is changing. This hospital hired the chef of one of the city’s hottest restaurants to introduce a menu based on locally grown organic vegetables, grass-fed beef and catfish raised at an environmentally conscious aquafarm.

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