The growing threat of cargo ship pollution

The urgency of curbing pollution from ships, explained [Click here to view this message in your web-browser](. Edition: US 12 April 2018 [[The Conversation]Academic rigor, journalistic flair]( Editor's note Global talks are underway in London to strike a new climate deal that would cut emissions from cargo ships, oil tankers and other seafaring vessels in half by 2050. This step, which complements the Paris agreement, is essential, write James Winebrake and James Corbett, who research shipping pollution. But the [timeline is too long](, they argue, since the volume of maritime freight is projected to grow swiftly over the next three decades. Many people fail to lose weight and to keep it off because they are ignoring a part of the body that’s important to weight loss – the brain, writes Laurel Mellin, an associate clinical professor at the University of California, San Francisco. People crave comfort food when stressed because of [glitches in the brain associated with survival instincts](. As lawmakers digest what they learned from Facebook CEO Mark Zuckerberg in his congressional testimony, American University scholars Aram Sinnreich and Barbara Romzek explain how [the company must change its practices]( if it’s to be a productive part of a free society. Emily Schwartz Greco Philanthropy + Nonprofits Editor Top stories A cargo ship passes the Golden Gate Bridge outside San Francisco. AP Photo/Jeff Chiu [The urgency of curbing pollution from ships, explained]( James J. Winebrake, Rochester Institute of Technology; James J Corbett, University of Delaware The maritime pollution that drifts to dry land, causes an estimated 400,000 premature deaths and 14 million cases of childhood asthma each year. The drive to overeat may be rooted in survival brain circuits. Phovoir/Shutterstock.com [Overeating? It may be a brain glitch]( Laurel Mellin, University of California, San Francisco New weight loss approaches seek to switch off the brain patterns that drive overeating and weight regain. Here's how that works, and how it could help you. Social media companies combine many pieces of information into a complex digital profile. Tetiana Yurchenko/Shutterstock.com [To serve a free society, social media must evolve beyond data mining]( Aram Sinnreich, American University School of Communication; Barbara Romzek, American University School of Public Affairs For years, watchdogs have warned of the potential problems of sharing data with online companies. The Facebook data crisis has made these concerns much more real. What should be done now? Politics + Society - [Don't shoot: When Dallas police draw their guns, they usually choose not to fire]( Andrew P. 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