United States Of America (US)

First food: business of taste

Good Food is First Food. It is not junk food. It is the food that connects nature and nutrition with livelihoods. This food is good for our health; it comes from the rich biodiversity of our regions; it provides employment to people. Most importantly, cooking and eating give us pleasure. …
  • 31/12/2028

HIV’s patient zero exonerated

A study clarifies when HIV entered the United States and dispels the myth that one man instigated the AIDS epidemic in North America.

1970s and ‘Patient 0’ HIV-1 genomes illuminate early HIV/AIDS history in North America

The emergence of HIV-1 group M subtype B in North American men who have sex with men was a key turning point in the HIV/AIDS pandemic. Phylogenetic studies have suggested cryptic subtype B circulation in the United States (US) throughout the 1970s and an even older presence in the Caribbean. …

Protecting drinking water at the source: lessons from United States watershed investment programs

Watershed investment programs offer promising pathways to securing safe drinking water. But what does it take to establish and grow a successful watershed investment program? Program investors and practitioners are looking for guidance and ideas on how to build a program that works for their own context. This report addresses …

Origin of Hexavalent Chromium in drinking water wells from the piedmont aquifers of North Carolina

Hexavalent chromium [Cr(VI)] is a known pulmonary carcinogen. Recent detection of Cr(VI) in drinking water wells in North Carolina has raised public concern about contamination of drinking water wells by nearby coal ash ponds. Here we report, for the first time, the prevalence of Cr and Cr(VI) in drinking water …

Changing perceptions of harm of E-cigarettes among U.S. adults, 2012–2015

Although the impact of long-term use of electronic cigarettes (e-cigarettes) on health is still unknown, current scientific evidence indicates that e-cigarettes are less harmful than combustible cigarettes. The study examined whether perceived relative harm of e-cigarettes and perceived addictiveness have changed during 2012–2015 among U.S. adults. Original Source

Washington state 'grossly' unprepared for major quake: report

Washington state is grossly unprepared for a large earthquake and tsunami that may strike in the coming decades, putting it at risk for a humanitarian disaster, the Seattle Times reported on Sunday, citing a draft government report. Anticipating a poor response to such a disaster, the state's emergency managers will …

Hundreds in Los Angeles protest climate change, North Dakota pipeline

Hundreds of people gathered in Los Angeles on Sunday to protest against climate change and show support for activists demonstrating against the construction of an oil pipeline in North Dakota. Several Hollywood stars, including Mark Ruffalo and Susan Sarandon, were among the more than 800 people who attended the climate …

Detroit incinerator is hotspot for health problems, environmentalists claim

The country’s biggest trash-burning facility has been issued with a notice to sue, with local residents complaining of the bad smell and pollution it produces At the intersection of two highways just outside downtown Detroit, a hulking relic of the city’s past looms over the skyline: the largest municipal trash …

Cannabis (Cannabis sativa or C. indica) agriculture and the environment: a systematic, spatially-explicit survey and potential impacts

Cannabis agriculture is a multi-billion dollar industry in the United States that is changing rapidly with policy liberalization. Anecdotal observations fuel speculation about associated environmental impacts, and there is an urgent need for systematic empirical research. An example from Humboldt County California, a principal cannabis-producing region, involved digitizing 4428 grow …

The Circumglobal North American wave pattern and its relation to cold events in eastern North America

Extreme large-scale North American cold events are associated with strong undulations in the tropospheric jet stream which bring cold polar air southward over the continent. Here we propose that these jet undulations are associated with the North American part of the Circumglobal Teleconnection Pattern—a pair of zonally oriented waves of …

Epidemiologic characteristics of children with blood lead levels ≥45 μg/dL

The objective of the study was to identify risk factors and describe outcomes for children newly identified with blood lead levels (BLLs) ≥45 µg/dL in New York City (NYC) during 2004-2010 to promote timely identification as well as inform clinical practice and public health policy. Original Source

Poultry consumption and arsenic exposure in the U.S. population

Arsenicals (roxarsone and nitarsone) used in poultry production likely increase inorganic arsenic (iAs), monomethylarsonic acid (MMA), dimethylarsinic acid (DMA), and roxarsone or nitarsone concentrations in poultry meat. The association between poultry intake and exposure to these arsenic species, as reflected in elevated urinary arsenic concentrations, however, is unknown. Original Source

Analysing potential bond contributions in a low-carbon transition

This analysis considers scenarios for the potential contribution of the bond markets to meet low-carbon investment financing needs in a 2oC energy pathway. The IEA has estimated investment needs in the renewable energy, energy efficiency and LEV sectors to 2035, consistent with an expectation that countries will take policy actions …

Global thermal pollution of rivers from thermoelectric power plants

Worldwide riverine thermal pollution patterns were investigated by combining mean annual heat rejection rates from power plants with once-through cooling systems with the global hydrological-water temperature model variable infiltration capacity (VIC)-RBM. The model simulates both streamflow and water temperature on 0.5° × 0.5° spatial resolution worldwide and by capturing their …

An analysis of the potential impact of climate change on dengue transmission in the southeastern United States

Dengue fever, caused by a mosquito-transmitted virus, is an increasing health concern in the Americas. Meteorological variables such as temperature and precipitation can impact disease distribution and abundance through biophysical impacts on the vector and virus. Such tightly coupled links may facilitate further spread of dengue fever under a changing …

Climate change is advancing spring onset across the U.S. national park system

Many U.S. national parks are already at the extreme warm end of their historical temperature distributions. With rapidly warming conditions, park resource management will be enhanced by information on seasonality of climate that supports adjustments in the timing of activities such as treating invasive species, operating visitor facilities, and scheduling …

Relative impacts of mitigation, temperature, and precipitation on 21st-century megadrought risk in the American Southwest

Megadroughts are comparable in severity to the worst droughts of the 20th century but are of much longer duration. A megadrought in the American Southwest would impose unprecedented stress on the limited water resources of the area, making it critical to evaluate future risks not only under different climate change …

US lauds India’s ratification of Paris climate deal

"After US joined in September, India's joining represents the fulfillment of that shared objective and a significant step towards the Paris Agreement entering into force this year," said White House National Security Council. Applauding as “fantastic news” India’s ratification of the Paris Agreement, the US has said the full implementation …

US urges WTO to enforce report on India's solar product policy

The US has said it will urge the World Trade Organisation to enforce the panel and appellate reports that found India's policies "discriminatory" against American solar products. The US Trade Representative yesterday also called for a special WTO meeting to adopt a compliance panel report that found the European Union …

Economic opportunity, health behaviours, and health outcomes in the USA: a population-based cross-sectional study

Inequality of opportunity, defined as differences in the prospects for upward social mobility, might have important consequences for health. Diminished opportunity can lower the motivation to invest in future health by reducing economic returns to health investments and undermining hope. We estimated the association between county-level economic opportunity and individual-level …

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