You've seen the headlines. Zebra mussels have infested Lake Travis. But what does that really mean? What impact is that having on our beloved waterways?   Earlier this month, volunteers with the annual Lake Travis Cleanup got a glimpse into the extent of the problem. Each year, hundreds of people volunteer...

They have arrived. The dreaded zebra mussel has officially been found in Lake Travis. What are zebra mussels? Zebra mussels are a rapidly producing invasive species that were first found in Texas in 2009. Since then, they have spread to 11 lakes, now including Lake Travis. Why are people worried about them? According to Texas Parks...