A FedEx worker received minor injuries in the latest package bomb blast, at a facility near San Antonio.
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The company behind the golden arches wants to get greener.
McDonald's on Tuesday announced a number of steps it will take to cut the greenhouse gases it emits into the air, including tweaking the way the beef in its Big Macs and Quarter Pounders is produced.
The world's largest burger chain said it expects the changes to prevent 150 million metric tons of greenhouse gas emissions from being released into the atmosphere by 2030, equal to taking 32 million cars off the road for a year.
Two Maryland high school students were injured after another student opened fire in a hallway at Great Mills High School in St. Mary’s County. The shooter was later pronounced dead.
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Students who survived last month's deadly school shooting in Parkland, Florida, were in Cambridge, Massachusetts, Tuesday to speak about gun control at Harvard University.
"It is sad to say things are getting back in the groove, back how they used to be, and that is what we are trying to prevent from happening nationwide," said Jacquline Corin, a 17-year-old junior at Marjory Stoneman Douglas High School.
Corin was inside the building on Valentine's Day when 17 people were killed, including one of her close friends. Tuesday morning, yet another school shooting had an impact on Corin. Two Maryland students were injured and a 17-year-old gunman was killed.