Celebrity gossip, personal, celebrity, political, fan, and self-help blogs
Some cool general blogs you can start reading include Goodreads Blog and the Huffington Post blogs. There are many blogs on many topics, so read the blogs that interest you.
I think there are lots of blogs about the environment. It is hard to count it. There are so many.
The blogs in the related links look promising.I found them using Technorati (also in the related links).
Blogs are personal logs or diaries. Of which there are many millions. Sites such as those suggested are not blogs in themselves but platforms for the blogs. Many people create their own platforms on their own sites.
I think there are millions of blogs online. I do not know the exact number.
Radio, Television, Newspaper and Internet Blogs