air quality scientist Articles

  • Rapid decline in biodiversity: a threat to survival of humankind

    Biodiversity, coined from two words; Biological Diversity simply refers to the variety and variability of life forms (plants, animals and micro-organisms) on earth. In other words, it is the totality of genes, species, and ecosystems in a region. Thus, biodiversity can be divided into genetic diversity within specie, Specie diversity within a community in an ecosystem as well as the more complex ...


  • Cyanide Spill at Baia Mare - Assessment Mission Report UNEP/OCHA

    Introduction On 30 January 2000, following a breach in the tailing dam of the Aurul SA Baia Mare Company, a major spill of cyanide-rich tailings waste was released into the river system near Baia Mare in north west Romania. The contaminant travelled via tributaries into the river Somes, Tisza and finally into the Danube before reaching the Black Sea. A team of international ...

  • Big Data: It’s all about the strategy

    Big Data, a huge amount of data, is a challenge for researchers and analysts. Although the data sets can lead to many new insights after the evaluation, their complexity, fast rate of change, and simply their amount makes it almost impossible to process them with classic methods and without smart technical aids. Images, audios, videos, GPS satellite data, internal company information, social ...

  • SolarBee Technical Bulletin

    A. SOLARBEE OVERVIEW 1. Origin of the SolarBee. Pump Systems, Inc. (PSI) developed, built and installed its first solar powered mixer in Dickinson, ND, in the summer of 1998. It was installed into a 30 acre x 13 foot deep municipal wastewater reservoir which had a long history of toxicity associated with ammonia, odor, and stratification problems. In six weeks the entire reservoir cleared up to ...


    By Medora Corporation

  • Can we bury the carbon dioxide problem?

    Seriously — carbon capture and storage could be a game-changer. Mention “carbon capture and storage” — the process of trapping carbon dioxide produced in fossil-fuel burning or other industrial processes and burying it underground — in polite company, and you’re likely to be pounced on. It’s absurdly expensive. It can never be rolled ...


    By Ensia

  • Cities are finally treating water as a resource, not a nuisance

    From Houston to Melbourne, the surprising ways urban areas are dealing with water woes Memorial Day barbecues and parades were thwarted this year in Houston when a massive storm dumped more than 10 inches of rain in two days, creating a Waterworld of flooded freeways, cars, houses and businesses, leaving several people dead and hundreds in need of rescue. ...


    By Ensia

  • Regionally Based Assessment of Persistent Toxic Substances

    Untitled Document EXECUTIVE SUMMARY In 1997 the United Nations Environment Programme (UNEP) Governing Council decided that immediate international action ...


  • Beliefs, Politics, and Environmental Policy

    Introduction Many of us who work on environmental issues have faced the challenge of conveying their importance to nonspecialists. Perhaps we have found ourselves defending the robustness of climate science to a contrarian uncle, or extolling the importance of biodiversity to a dubious aunt. Our relations and friends are often educated people, skilled in their own professions, who have ...


    By Oxford Journals

  • Chemical-Free Treatment of Recirculating Water Using Pulsed-Power

    Untitled Document Regulatory pressures and economic considerations require industry to become cleaner, more efficient, and more environmentally benign. Such operating principles advance not only ...


    By Dolphin WaterCare

  • Agreement on mercury finally here

    In Geneva 19 January 2013, due to successful interaction between science and policy making, governments within the UN agreed to a global, legally-binding treaty to prevent emissions and releases of mercury. Prof. Jozef Pacyna and his team at NILU - Norwegian Institute for Air Research, have played a major role in providing the UN policy makers with scientific justification for the treaty. 30 year ...

  • Recycling Vs. Landfills and Incinerators – Do Benefits of One Outweigh the Other?

    Believing the 2011 survey results of the U.S Environmental Protection Agency (EPA), the American nationals generate more than 240 million tons of waste every year. Often referred to as Municipal Solid Waste, this waste originates from households, schools, hospitals, and business establishments. This trash material often finds its place in the wasteland, where it is either recycled, trapped in a ...


    By Compactor Management Company

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