Starting 1 January 2014, a scout will have to earn a total of 21 merit badges, including the following:

•     First Aid
•     Citizenship in the Community
•     Citizenship in the Nation
•     Citizenship in the World
•     Communication
•     Personal Fitness
•     Emergency Preparedness OR Lifesaving
•     Environmental Science OR Sustainability
•     Personal Management
•     Swimming OR Hiking OR Cycling
•     Camping
•     Family Life
•     Cooking

For more information see -  http://blog.scoutingmagazine.org/2012/10/17/cooking-sustainability-merit-badges-to-become-eagle-required/