"Our supporters are so energized by the vicious criticism of our holiday card that we're printing additional cards and limited-edition 'choice on Earth' T-shirts," said Planned Parenthood President Gloria Feldt.

"Planned Parenthood believes in every individual's right to make choices and live in peace with our planet and wishes people of all beliefs a peaceful and safe holiday season," she said.

The reproductive-rights group has been selling holiday cards with the "Choice on Earth" message for eight years, but the issue has gained national attention now that the cards are posted online for the public to purchase, as well as a media campaign by a pro-life group called STOPP – ...