Blog - A frequent, chronological publication of personal thoughts and Web links. Alternatively called web logs or weblogs.
Blogs can be political journals and/or personal diaries; they can focus on one narrow subject or range across a universe of topics.

Popular Blogs
Salon.com - A blog portal with software to publish your own blog.
Slate - informed look at news, politics, and culture.
slashdot.org - News for nerds, stuff that matter
Boing Boing - Comments on New Products, News, Web sites, ...
Digg
gizmodo.com - Gizmodo is an online review dedicated to gadgets, gizmos, and cutting-edge consumer electronics.
Talking Points Memo
blogger.com
Environmental Blogs at the Environment page

Create your own blog:
Common Blog sites
WordPress.com -- Get a Free Blog Here
Blogger (google)
5 Best Blog Sites Other Than Wordpress and Blogger

Blog Lists
See news blogs in news Most popular Feeds at bloglines.com
Top Weblogs at Daypop.com
Recommended Blogsites at CrisisPapers.org
Blogs at wikipedia.org