Category: August 2015

New papers look at ‘zombie’ steroids

They are sometimes called ‘zombie’ chemicals. Some compounds thought to be safe and inactive can change into dangerously active forms when they are exposed to the environment. Two recent papers co-authored by PSI collaborator Ed Kolodziej look at some of the ways that regulators may need to account for these transformations. Cole, EA, McBride, SA, Kimbrough, KC, Lee, J, Marchand, …

Assessing microplastics in the world’s oceans

Our Director Joel Baker recently co-authored Microplastics in the Ocean: A Global Assessment, an international report commissioned by GESAMP (The Joint Group of Experts on Scientific Aspects of Marine Environmental Protection). GESAMP is an inter-Agency Body of the United Nations, comprised of a group of independent scientists providing advice to UN Agencies on a wide variety of …

Impacts of diving ducks on herring populations

Puget Sound Institute Lead Ecologist Tessa Francis attended the 2015 meeting of the International Congress for Conservation Biology earlier this month in Montpellier, France. She presented results from her recent work with colleagues at NOAA’s Northwest Fisheries Science Center evaluating the impacts on Puget Sound herring populations of herring egg predation by seabirds and other predators. …

PSI scientist argues that African elephants are two distinct species

Will it prompt new conservation strategies? Puget Sound Institute research scientist Nick Georgiadis was quoted recently in The Guardian about increasing evidence that African elephants should be divided into two species. Georgiadis and other scientists argue that this divide creates an urgent need to reassess elephant conservation strategies. Georgiadis is co-author of a paper in the Annual Review …

Wastewater study looks at Seattle marijuana use

One of our collaborators made news this week for his pilot study quantifying marijuana use in Seattle and Tacoma. Dan Burgard, a chemist at the University of Puget Sound, is analyzing wastewater from sewage treatment plants to identify levels of metabolized THC. The study is designed to determine if new recreational marijuana laws are leading to an increase in marijuana …