The U.S. insisted that new international guidelines on combating drug resistance omit any mention of fungicides — a demand that the industry made but that ran counter to science.
The agency’s new assessment directly contradicts federal scientists’ conclusions five years ago that chlorpyrifos can stunt brain development in young children.
The E.P.A. has approved nootkatone, which is found in cedars and grapefruit. It repels ticks, mosquitoes and other dangerous bugs for hours, but is safe enough to eat.
Recent research, which found a link between pyrethroids and deaths from heart disease, highlights the limitations of epidemiological research.
Given the drastic pandemic-induced reductions in travel, the chances of bringing home these uninvited guests have been greatly curtailed.
Homeowners use up 10 times more pesticide per acre than farmers do. But we can change what we do in our own yards.