The U.S. Environmental Protection Agency today unveiled a new graphic that will be available to appear on insect repellent product labels. The graphic will show consumers how many hours a product will repel mosquitoes and/or ticks when used as directed. "We are working to create a system that does for bug repellents what SPF labeling did for sunscreens," said Jim Jones, Assistant Administrator of the Office of Chemical Safety and Pollution Prevention. "By providing vital information to consumers, this new graphic will help parents, hikers and the general public better protect themselves and their families from serious health threats caused by mosquitoes and ticks. We are encouraging manufacturers to submit applications so they can add the graphic to their registered repellent products."
Read more ...

Los profesores Jesse Thé y Roydon Fraser de la Universidad de Waterloo están iniciando un estudio sobre la posible causa de la larga pausa de 10 años en el calentamiento global. Esta es una entrevista con el Prof. Thé, quien es también Editor en Jefe de ENN. ENN: ¿Qué está causando esta larga pausa de 10 años en el aumento medio de la temperatura global? Prof. Thé: En primer lugar, tenga en cuenta que la última década fue la más caliente registrada. Mientras que las temperaturas máximas no están aumentando tan rápido, no estamos viendo una pausa real en el aumento de temperatura, sino sólo una reducción significativa en su tasa de crecimiento. En segundo lugar, los investigadores no están seguros, y nuestro trabajo en esta etapa sólo se puede ubicar en el método científico como una hipótesis. Hasta que desarrollemos el análisis completo, todos mis puntos de vista en esta entrevista se basan en la hipótesis de que la pausa en el aumento de la temperatura es causada por la formación de aerosoles formados por la quema masiva de carbón en China (50% del consumo mundial de carbón) y la India.
Read more ...

Ok, no surprise to see Washington, D.C. or San Francisco ranked high in a list of the cities with America's greenest buildings. But Atlanta? Georgia's capital was the only southern state to make the top ten in the 2014 U.S. Clean Tech Leadership Index, released July 15 by Clean Edge. The cleantech research firm tracks the cleantech progress of the 50 largest metro areas and the 50 states.
Read more ...

This week, on July 15, NASA's Aura satellite celebrated its 10th anniversary. Happy belated, Aura! The mission of Aura, which is Latin for breeze, centers on obtaining measurements of ozone, aerosols and key gases throughout the atmosphere. And after one decade in space, the satellite has provided vital data about the cause, concentrations and impact of major air pollutants.
Read more ...

Californians who waste water will have to pay up to $500 a day for their extravagance under new restrictions approved Tuesday by the State Water Resources Control Board. The move comes after the board concluded that voluntary conservation measures have failed to achieve the 20 percent reduction in water use that Gov. Jerry Brown was hoping for, reports The Associated Press. In fact, a survey by the board showed a 1 percent increase in water use in May compared to the same month a year ago.
Read more ...

Scientists at the National Center for Atmospheric Research (NCAR) and partner organizations are launching a major field project across the northern Front Range of Colorado this month to track the origins of summertime ozone, an invisible but harmful pollutant. The researchers will use specially equipped aircraft, mobile radars, balloon-mounted sensors, and sophisticated computer simulations to measure local and far-flung pollution sources. Results from the month-long study will provide needed information to officials seeking to ensure that air in the region is healthy to breathe.
Read more ...

More Articles ...

Subcategories