The government is seeking to increase the use of pesticides which scientists claim are causing overwhelming negative effects on hundreds of species of microbes, fungi, plants, insects, fish, birds and mammals that they are not intended to harm. Continue →

Liquefaction dust from the September 2010 Canterbury earthquake was not responsible for a noticeable increase in Legionnaire’s disease, according to an Otago University study. Continue →

The growing trend to install multiple road signs at the same location along freeways might be practical and cost-effective but is it safe? Continue →

A new particle sensor designed to help building owners and managers monitor the air for potentially harmful particulate contaminants caused by dust, soot and smoke has been released by Honeywell Honeywell’s HPM series particle sensor is designed to work in heating, ventilation and air conditioning (HVAC) systems and consumer products such air purifiers to measure air quality in homes, buildings and public spaces. Continue →