Coinciding with the 50th anniversary ofEarth Day, this report investigates the impact COVID-19 lockdowns have had on global particulate pollution levels.As lockdowns were implemented in response to the deadly coronavirus pandemic, the dramatic changes brought about by these restrictions have been described as the ‘largest scale experiment ever’

Most estimates of global mean sea-level rise this century fall below 2 m. This quantity is comparable to the positive vertical bias of the principle digital elevation model (DEM) used to assess global and national population exposures to extreme coastal water levels, NASA’s SRTM. CoastalDEM is a new DEM utilizing neural networks to reduce SRTM error. Here we show – employing CoastalDEM—that 190 M people (150–250 M, 90% CI) currently occupy global land below projected high tide lines for 2100 under low carbon emissions, up from 110 M today, for a median increase of 80 M.

If you drive a car into central London weekdays between 7:00 am and 6:00 pm, you will pay a congestion charge of £11.50, equivalent to about $15.

New York has declared a public health emergency following a measles outbreak.

Drivers traveling into the busiest sections of Manhattan will be subject to a congestion charge starting in 2021 and single-use plastic bags will be banned across New York state in less than a year

Megacities are predominantly concentrated along coastlines, making them exposed to a diverse mix of natural hazards. The assessment of climatic hazard risk to cities rarely has captured the multiple interactions that occur in complex urban systems. We present an improved method for urban multi-hazard risk assessment.

In January, New York City sued 5 major oil companies, claiming their business activities and aggressive climate denial tactics would cost the city billions of dollars in infrastructure expenses to

Urban public space is extraordinarily adaptable under a pattern of relatively stable changes. However, when facing unprecedented and potentially extreme climatic changes, public spaces may not have the same adaptation capacity. In this context, planned adaptation gains strength against “business as usual”. While public spaces are among the most vulnerable areas to climatic hazards, they entail relevant characteristics for adaptation efforts. As such, public space design can lead to effective adaptation undertakings, explicitly influencing urban design practices as we know them.

SMOKING is a scourge. It is the leading preventable cause of cancer and kills over 7m people annually, mostly in low- and middle-income countries.

Epidemiology studies have shown that ambient concentrations of ozone and fine particulate matter (PM2.5) are associated with increased emergency department (ED) visits and hospital admissions (HAs) for asthma. The objective of the study was to evaluate the impact of outdoor pollen, respiratory infections, and socioeconomic status (SES) on the associations between ambient ozone and PM2.5 and asthma HAs in New York City.

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