Filtering toxic hexavalent chromium from water

Filtering out toxic chromium from water

Photo credit: Alain Herzog / EPFL

Hexavalent chromium continues to contaminate water sources around the world, with one US company fined just this February for putting employees at risk. Hexavalent chromium is considered to be extremely toxic, especially when inhaled or ingested, and its use is regulated in Europe and in many countries around the world. It is thought to be genotoxic, leading to DNA damage and the formation of … [more…]

Tulsa teen globally recognized for environmental innovations

photo: Tulsa teen Braden Milford simulates a dream for water purification tests

TULSA — A Tulsa teen making major strides in cleaning our rivers and streams is now getting global recognition for his advancements in environmental engineering.

"Seeing what will make an impact on the world really drives me forward," said Braden Milford, senior at Cascia Hall.

Braden created a water purification system right in his Cascia Hall classroom.

"My project associates environmentally extracted bacteria with algae in a jelly-like system that

[more…]

After the fire: Blazes pose hidden threat to the West’s drinking water

photo: Tubbs wildfire destroyed homes, may release chemical contaminants

Photo: The ruins of houses destroyed by the Tubbs Fire on Oct. 14, 2017 in Santa Rosa, California. David McNew / Getty Images file

At least 65 percent of the public water supply in the Western U.S. comes from fire-prone areas, and wildfires can taint water with toxins and parasites.

Gerald and Serene Buhrz were among the lucky ones.

When they fled their home at 2:00 a.m. on Oct. 8, … [more…]

Most Bottled Water Contaminated With Microplastics

Most Bottled Water Contaminated With Microplastics

Plastic has become an incredibly harmful convenience, now threatening environmental and human health alike, and in more ways than one. With Earth Day being tomorrow [April 2018], there is no better time to analyze the impact bottled water has had on our planet. There’s the issue of bulk plastics in our landfills, where it will remain indefinitely since most plastic does not biodegrade, and microplastics — microscopic pieces of degraded … [more…]

Duke Study: Rivers Contaminated With Radium and Lead From Thousands of Fracking Wastewater Spills

photo: polluting industries on the banks of rivers

Bakken Oil and Gas in Williston, North Dakota on the Missouri River. Photo Credit: EcoFlight

Thousands of oil and gas industry wastewater spills in North Dakota have caused “widespread” contamination from radioactive materials, heavy metals and corrosive salts, putting the health of people and wildlife at risk, researchers from Duke University concluded in a newly released peer-reviewed study.

Some rivers and streams in North Dakota now carry levels of radioactive … [more…]