Sentences with phrase «toxic organic pollutants»

Unfortunately, melting Alpine glaciers are generating a revival of toxic organic pollutants.

Co-author Hayley Hung, a scientist with Environment Canada's Air Quality Division who studies toxic organic pollutants in the Arctic, said that in recent years, researchers had posited that warmer conditions would liberate POPs stored in land, ice and ocean reservoirs back into the atmosphere.

Not exact matches

Toxic use reduction and sourcing replacements for ozone depleting solvents, volatile organic compounds, flammable solvents, hazardous air pollutants and achieving waste minimization

Persistent organic pollutants are not even the only problem when it comes to toxic chemicals.

A unique study of frozen ice cores from the Tibetan Himalayas has shown that international agreements on phasing out the use of toxic persistent organic pollutants are working.

Toxic chemicals are accumulating in the ecosystems of the Himalayas and the Tibetan plateau, researchers warn in the first comprehensive study to assess levels of certain organic pollutants in that part of the world.

These toxic bits are a class of persistent organic pollutants called polycyclic aromatic hydrocarbons, a.k.a. PAHs, which are harmful to human health and ecosystems.

Specifically, SUPERB homed in on 44 foods known to have high concentrations of toxic compounds: metals, arsenic, lead, and mercury; pesticides chlorpyrifos, permethrin, and endosulfan; persistent organic pollutants dioxin, DDT, dieldrin, and chlordane; and the food processing byproduct acrylamide.

Maybe that's why there's such higher diabetes risk, since more than 90 % of the persistent organic pollutants comes from animal foods — unless you work in a chemical factory, or stumble across some toxic waste.

The standards we recommend in this report would also significantly reduce emissions of other air pollutants, specifically smog - forming volatile organic compounds and toxic pollutants like benzene that cause cancer and are associated with a host of other health problems.

Various Updates In a move that environmental campaigners had sought for years (as had I), the Environmental Protection Agency has issued final rules that could substantially cut emissions of heat - trapping methane, smog - forming volatile organic compounds and toxic air pollutants such as benzene from new, rebuilt or modified oil and gas wells and other infrastructure and operations.

Chemical contaminants such as persistent organic pollutants, toxic metals (e.g., Hg, Cd, Pb, Ni), radioactive compounds, pesticides, herbicides, and pharmaceuticals are also accumulating in deep - sea sediments [252].

Notes that microplastics may also contribute to the transfer in the marine ecosystems of persistent organic pollutants, other persistent, bio-accumulative and toxic substances and other contaminants which are in or adhere to the particles; 7.

The EECCA NGO campaign towards a toxic - free future succeeded in pushing the national governments to ratify the Stockholm Convention, which would eliminate the release of persistent organic pollutants into the environment; 9 of 12 countries in this region ratified the Convention and now participate as full Parties at its global meetings.

The chemicals in question belong to a class called «persistent organic pollutants,» which are toxic to humans and animals and can take centuries to degrade.

PNNL scientists found that secondary organic aerosols formed in the presence of the toxic pollutant known as polycyclic aromatic hydrocarbons (PAHs) trapped the PAH molecules inside, shielding them from degradation.