"A new study out this week doesn't show a definitive link, but reopens the debate over whether cell phones cause cancer."

"The World Health Organization says there is "no public health justification" for postponing or canceling the Rio Summer Olympics because of the Zika outbreak in Brazil."

"A new superbug that is resistant to the antibiotic of last resort has been spotted in the United States. Twice."

"The use of coal tar sealant products is no longer allowed in Annapolis."

"New research links exposure to these toxic chemicals to thyroid problems, especially in post-menopausal women".

"The House on Tuesday overwhelmingly approved new chemical safety rules designed to overhaul federal regulation covering thousands of chemicals in daily use, a rare bipartisan action in a year when Congress is torn by presidential politics."

"The Obama administration said it “strongly supports” the bipartisan compromise chemical safety bill rolled out Monday and wants Congress to quickly pass it."

"The Zika epidemic and the birth defects it's causing are both the fault of governments that abandoned programs to control mosquitoes and to provide even the most basic family planning assistance to young women, the head of the World Health Organization said Monday."

"Environmental officials in six liberal states are warning that Congress is going too far in blocking states’ rights to regulate chemicals."

"The first genetically modified food animal has been approved for sale in Canada."