Environmental Industry Articles

Air & Climate

SO2 NAAQS Implementation: The Great American Update

SO2 NAAQS Implementation: The Great American Update

Since the 1-hour sulfur dioxide (SO2) National Ambient Air Quality Standard (NAAQS) became effective in August 2010, ALL4 has been tracking it every step of the way.  Its implementation has proven to be chaotic at times and quiet at ...


Energy & Renewables

Honolulu’s LED Lamps: Cutting on Carbon and Trimming Tax

Honolulu’s LED Lamps: Cutting on Carbon and Trimming Tax

Honolulu, the Hawaiian capital’s energy costs rank tenth on the pollution lists. In an attempt to reduce this figure, the city mayor wants to install solar street lamps which will help cut tax and Greenhouse Gas emissions. Hawaii ...


Environmental Management

Cultivating the next generation of sustainability leaders

Cultivating the next generation of sustainability leaders

International corporate volunteerism gives future leaders real-life experience facing challenges in emerging markets and could create self-perpetuating sustainable businesses ntroduced by John Elkington two decades ago, the “triple ...


Health & Safety

Health and safety at work: companies shift their attitude

Health and safety at work: companies shift their attitude

From reaction to incidents to the development of a corporate culture: the approach to occupational health and safety is changing all over the world; managing health & safety at work is crucial to North Americans to preserve the ...


Monitoring & Testing

Wastewater treatment plant monitors Greenhouse Gas emissions

Wastewater treatment plant monitors Greenhouse Gas emissions

Globally, little attention is paid to gaseous emissions from wastewater treatment processes. This contrasts greatly with the regulatory monitoring that is applied to the quality of water emissions from such facilities. However, in ...


Soil & Groundwater

The Future For Fracking

The Future For Fracking

Summary Fracking is an essential technology to meet growing global demand for oil and gas. Fracking has become the "F" word, because it is very water-intensive, and has potential negative impacts on the environment. The future of ...


Waste & Recycling

Update on Federal Air and GHG Regulations Affecting Landfills

Update on Federal Air and GHG  Regulations Affecting Landfills

EPA’s recent regulatory changes are expected to alter the way landfills are regulated for the foreseeable future with a potential to add additional compliance costs for the industry.  The air quality and greenhouse gas (GHG) ...


Water & Wastewater

Mogden thames water case study

Mogden thames water case study

Plant inputs : 90,000 Tonnes dry solids/annum 5,466m3 combined sludges/day Primary sludge 60% Secondary sludge 40% Digestion plant : 16 x 4,250m3 Mesophilic digesters (68,000m3 loial capacily) Complete refurbishment technology package 16 ...


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