The Oregon Department of Agriculture is restricting the use of two pesticide ingredients implicated in the deaths of more than 50,000 bumblebees earlier this year.
A first-of-its-kind "meta-analysis" from Oregon State University researchers looks at the link between pesticides and fertilizers and amphibians -- and what that means for the rest of the ecosystem.
An Oregon Zoo Foundation-funded study has cracked the mystery of why some California condor eggs don’t hatch.
Complaints from cranberry growers concerned about pesticides tainting their crops have prompted Coos County commissioners to change their plans for aerial spraying to control mosquitoes on the Southern Oregon coast.
Northwest beekeepers are applauding the EPA for requiring certain pesticides to carry a clearer warning label to prevent home gardeners and farmers from inadvertently harming beneficial pollinators, like bees.
The state of Washington has compiled a lengthy list of pesticides for marijuana growers to use -- even though these chemicals are not officially approved for pot.
Confirmation that an insecticide led to a massif die-off of bumble bees in Wilsonville, Ore. provides momentum to ban its use elsewhere.
The Xerces Society has confirmed the thousands of dead bees found Monday in a Wilsonville, Ore. parking lot died from pesticide poisoning.
Washington considers limiting use of some pesticides to address concerns about impacts on honey bees. Beekeepers have been plagued by unexplained die-offs in their hives.
Three environmental groups will make the case in court Monday that the Environmental Protection Agency has failed to act on their petition to the agency to ban a common pesticide used on many Northwest crops.
Major timber companies spray herbicides on their private forestland in Oregon. But many residents suspect chemicals are being carried on mountain currents, prompting health concerns.
Starting Wednesday, the Environmental Protection Agency will begin gradually phasing out the pesticide [endosulfan](http://www.epa.gov/opp00001/reregistration/endosulfan/ ""). For many farmers in Oregon, including Christmas tree growers, the chemical was both cheap and effective. But it also put wildlife and the health of agricultural workers at risk.
A group of Lane County residents has formed an unusual partnership to test streams for chemicals. The residents are worried that herbicides sprayed onto clear-cut forests are drifting into nearby waters.
PORTLAND -- A state board Tuesday announced a delay in its investigation into the human health impacts of herbicide spraying on timberland in Lane County.
Residents in the Triangle Lake community west of Eugene have received letters from the Federal Department of Health and Human Services this month, explaining if a common herbicide was found in their urine. An analysis of the community's urine test data will be published by the Federal Agency For Toxic Substances and Disease Registry early this year.
[Beyond Toxics](http://www.beyondtoxics.org/ ""), a Eugene, Ore., nonprofit, just received $25,000 to help people who live in the West Eugene Industrial Corridor cope with asthma and with the air pollution that wafts through their neighborhoods. It is one of four Northwest organizations awarded Environmental Justice Grants.
PROSSER, Wash. – Washington vineyards may not have to spray many pesticides in the future. Researchers say they’re at a turning point in how pests are controlled. They’re hoping to use more native plants and insects.
A judge ruled Monday the federal government followed sound science when it called for stricter regulation of three common insecticides in Northwest salmon streams. The case underscores that recent science suggests that even in low concentrations, the chemicals may damage salmon and steelhead's sense of smell.