By Aluquerque, New Mexico
http://stream.publicbroadcasting.net/production/mp3/kunm/local-kunm-977015.mp3
Laurel Morales – Four and a half million people will visit national parks this weekend. The fourth of July is, in fact, the most popular weekend of the year. But conservation groups are worried about the current state of the country's protected parks, beaches and landmarks.
As Laurel Morales of the Fronteras Changing America Desk reports, they're asking the federal government to invest more to protect them.