Ron Ace has filed for a patent on a way to prevent global warming.
Ron Ace has filed for a patent on a way to prevent global warming. George Bridges / MCT
Ron Ace has filed for a patent on a way to prevent global warming. George Bridges / MCT

Water vapor's effects on atmosphere are debated

December 21, 2008 6:00 AM

More Videos

  • Trump denies account of call with soldier's widow

    President Donald Trump denied telling the widow of Sgt. La David Johnson the serviceman "must have known what he signed up for" — a claim made by Florida Rep. Frederica Wilson, who was present for the call.