Environmental Industry Articles

Air & Climate

Why did GHG emissions decrease in the EU between 1990 and 2012?

Why did GHG emissions decrease in the EU between 1990 and 2012?

Total GHG emissions (excluding LULUCF) in the EU decreased substantially since 1990, reaching their lowest level in 2012. The EU emitted 4,544 million tonnes of CO2 eq. in 2012, accounting for less than 10% of global GHG emissions1. Figure ...


Energy & Renewables

The Emerging Power of Microgrids

The Emerging Power of Microgrids

Over many decades, the centralized power grid — a one-way flow of electricity, generated by large, remote power plants and distributed over miles of transmission lines to homes and businesses — succeeded in delivering ...


Environmental Management

ISO/DIS 14001 Proposes Increasingly Strategic Approach in Environmental Management

ISO/DIS 14001 Proposes Increasingly Strategic Approach in Environmental Management

The latest milestone in the ISO 14001 revision process was reached on 1 July 2014 when ISO/DIS 14001 was issued. The first formal draft describes the potential requirements of the revised version of ISO 14001 but it ...


Health & Safety

Questions and answers on the amended Nuclear Safety Directive

Questions and answers on the amended Nuclear Safety Directive

What is new in the directive? The amended Nuclear Safety Directive strengthens the nuclear safety framework of the EU. The amendment reinforces the provisions of the existing directive. It: strengthens the role and independence of ...


Monitoring & Testing

Nutrient analysis system keeps wastewater plant in control case study

Nutrient analysis system keeps wastewater plant in control case study

Problem The Denver, Colo., Metro Wastewater Reclamation District wanted near real-time nutrient analysis for a very challenging headworks wastewater aeration process, consisting of a combination of centrate and RAS. The centrate and RAS ...


Soil & Groundwater

Using the Pencil-Paper Method with a Tablet Computer to Increase Borehole / Well Logging Efficiency

Using the Pencil-Paper Method with a Tablet Computer to Increase Borehole / Well Logging Efficiency

Traditionally, geologists use pencil and paper when logging soil descriptions, drilling tests, and well diagrams in the field.  We wanted to see if we could speed up this process using a field computer.  We tested a fully ...


Waste & Recycling

Is Waste Going to be Our Apocalypse Without a Noah’s Ark to Save Us?

Is Waste Going to be Our Apocalypse Without a Noah’s Ark to Save Us?

Human beings have been dumping waste in water, including the ocean, since before the Agricultural Age. The Industrial Age brought with it new materials to dump, chemical wastes and by-products. Some materials are dumped into rivers and ...


Water & Wastewater

Roadmap for Sustainable Water Resources in Southwestern North America

Roadmap for Sustainable Water Resources in Southwestern North America

The management of water resources in arid and semiarid areas has long been a challenge, from ancient Mesopotamia to the modern southwestern United States. As our understanding of the hydrological and climatological cycles has improved, and ...


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