The Chinese capital issued its highest red fog alert for a second day on Wednesday, keeping highways closed in and around the city which is already under a smog alert after weeks of choking winter pollution.

China's weather bureau warned of visibility of less than 50 meters in some areas, leading many airports to cancel flights. — Reuters

Tens of thousands of “smog refugees” have reportedly fled China’s pollution-stricken north after the country was hit by its latest “airpocalyse” forcing almost half a billion people to live under a blanket of toxic fumes.

Huge swaths of north and central China have been living under a pollution “red alert” since last Friday when a dangerous cocktail of pollutants transformed the skies into a yellow and charcoal-tinted haze. — the Guardian

One good thing to come of the substitution of a hospital serving the whole downtown community with homogenous housing for the wealthy is St. Vincent’s Triangle Park, [...] home to the nearly completed New York City AIDS Memorial [...]

Real estate plays an outsize role in most New York stories. In the story of AIDS, it has become crucial to understanding both the way that the city handled, or mishandled, the crisis in its early days and the way that the crisis forever marked the city in return. — New Yorker

The true impact of air pollution has been obscured by the failure to consider people’s exposure as they move around during the day...

The research cites air pollution as “the world’s single largest environment and human health threat” but laments that the problem has not previously been “considered spatially and temporally”, with most studies basing a person’s pollution exposure on where they live. — the Guardian

Despite reports of dangerous levels of pollution in Rio's Guanabara Bay and concerns that floating garbage could damage or slow competitors' boats, sailors at the 2016 Olympics are showing little or no fear of getting into the water [...]

Many said the dangers of sailing in Rio have been overblown and worried that the water concerns are overshadowing some of the most exciting and challenging sailing of their lives. — Reuters

Our culture of fear has changed the role of architecture in the United States. In just 2016 alone, the country has seen 221 mass shootings, and we struggle to keep up with the stream of international terrorism attacks by groups like ISIS and Boko Haram. If you listen to the news for too long, every building we enter seems compromised, from malls and movie theaters to schools. — Vice

The link between psychosis and city living was first noticed by American psychiatrists in the early 1900s who found that asylum patients were more likely to come from built-up areas. This association was sporadically rediscovered throughout the following century until researchers verified the association from the 1990s onwards with systematic and statistically controlled studies that tested people in the community as well as in clinics. — The Atlantic

Today, the New York City Council unanimously passed a set of bills requiring free menstrual-hygiene products in public schools, prisons, and shelters, making it the first city in the nation to pass so-called "menstrual equity" legislation. The city will budget for tampons and pads just like it does for toilet paper and hand soap. — New York Magazine

In a new paper, economists and public health researchers have found that not even working indoors in an office can protect people from the deleterious impacts of polluted air and particularly fine particulate pollution — defined as tiny particles that can travel deep into our lungs and even get into the bloodstream and eventually reach the central nervous system. — the Washington Post

...Given all the harm we know air pollution can cause, does cycling actually help, or could it hurt? After all, I’m not breathing in the foul fumes of a truck when I’m sitting inside an air-conditioned train. I’m certainly not breathing them in deeply, as I would while huffing and puffing on my cycle.

Air pollution kills more than 5 million people every year, yet there has been no analysis of the costs versus benefits of city cycling. Until now. — Quartz

Scientists can disagree on how much the mass migration of 500,000 foreigners will accelerate the virus’s global spread and make the pandemic worse—but none can possibly argue that it will slow it down or make things better. [...]

“Olympism seeks to create … social responsibility and respect for universal fundamental ethical principles”. [...] But for the Games, would anyone recommend sending an extra half a million visitors into Brazil right now? — harvardpublichealthreview.org

Outdoor air pollution has grown 8% globally in the past five years, with billions of people around the world now exposed to dangerous air, according to new data from more than 3,000 cities compiled by the World Health Organisation (WHO).

While all regions are affected, fast-growing cities in the Middle East, south-east Asia and the western Pacific are the most impacted with many showing pollution levels at five to 10 times above WHO recommended levels. — The Guardian

Residents of just four American metropolitan areas have had regular access to healthy air in recent years. Those four places — Burlington-South Burlington, Vt.; Honolulu; Elmira-Corning, N.Y.; and Salinas, Calif. — had the pleasure of breathing air consistently free of unhealthy ozone, short-term particle and year-round particle pollution from 2012 to 2014,according to a new national air quality report card from the American Lung Association.

The air everywhere else was less consistently clean. — Washington Post