What the heck is a blog anyway? For hundreds of examples, check out this list of Top Ten lists:
Some blogs cover a wide range of issues in a given country, like the Angry Chinese Blogger. Others have a narrow focus, like the Border Reporter, which covers drug violence along the U.S.-Mexico border, and Uncommon Sense, which is about political prisoners in Cuba.
No More Slavery, the FSC Anti-Bullying Task Force, Preventing Lost Children, Survival, Much Love Animal Rescue and other sites focus on causes. Here is Havana has a literary flair. There are blogs about every topic imaginable.