National Council has changed the requirements of the following merit badges:
Required Merit Badges:
Camping, Communication, Emergency Preparedness, First Aid, Personal Fitness
Elective Merit Badges:
Animal Science, Archaeology, Archery, Astronomy, Athletics, Canoeing, Chemistry, Coin Collecting, Crime Prevention, Electronics, Energy, Insect Study, Medicine, Nature, Plant Science, Public Health, Radio, Scouting Heritage, Sculpture, Theater, Weather, Wilderness Survival.
A detailed list of the changed requirements for each of these merit badges is available on the "Boy Scouts" page. Just open this link and follow the "Merit Badges" link.
The current requirements for each merit badge can be downloaded from the "Merit Badges" page on Scouting.org.