A roundup of news snippets
• Wal-Mart will sell milk without rBST.
• John McCain discusses climate with former British Prime Minister Tony Blair.
• California Gov. Arnold Schwarzenegger boots Clint Eastwood off the California parks comission.
• Skeptics raise questions about Norway’s quest for carbon neutrality.
• Home Depot donates $30 million to Habitat for Humanity to build green.