Dramatic sunsets are undeniably gorgeous, but they portend something ominous: millions of fine particles polluting the air. Researchers are now studying sunsets painted over the past 500 years to find clues to how our air got dirtier after the Industrial Revolution.
     |
Category: arnold schwarzenegger Curt Schilling Puppy Bowl 2014 robin thicke Beyonce Grammys 2014
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.