Over the past few years, these buoys were used by Texas across the Rio Grande to combat the flow of illegal immigration. The ...

Buoys have been used in the Rio Grande amid controversy The floating barriers would help ... more enforcement and a clear line between the two countries to protect Canadian sovereignty.

There's something new floating in San Diego Bay. It's barely noticeable, but it could be critical to the health of the bay.

FILE – A kayaker walks past large buoys being used as a floating border barrier on the ... more enforcement and a clear line between the two countries to protect Canadian sovereignty.