Home grocery delivery sounds like a frill for people too lazy to schlep to the store. But having food delivered can be more environmentally friendly than driving to the store, researchers say.
Having groceries delivered can cut carbon dioxide emissions by at least half, compared to driving to the store, according to a new study. That's because the delivery truck offers the equivalent of a "shared ride" for the food.
NASA is raising awareness for its upcoming launch of the Mars Atmosphere and Volatile Evolution spacecraft with its Going to Mars project. The MAVEN spacecraft is scheduled for launch this November, to study the Red Planet's upper atmosphere; the craft will examine why Mars lost its atmosphere, and how that catastrophe affected the history of water there.
Penny Pritzker, one of the nation's richest people and a "longtime political supporter and heavyweight fundraiser," as TheChicago Tribune writes, is President Obama's choice to be his next secretary of commerce.
The president announced the news this hour at the White House. He also said that one of his economic advisers, Michael Froman, is his choice to be the next U.S. trade representative.
NPR's business news starts with two new cabinet appointments.
(SOUNDBITE OF MUSIC)
MONTAGNE: This morning, President Obama appointed Penny Pritzker to run the commerce department.
DAVID GREENE, HOST:
Pritzker is an heiress to the Hyatt hotel empire. She also served on the president's Economic Recovery Advisory Board, and she is a long time financial backer of the president's political campaigns. Forbes ranks her as one of 300 richest Americans.