text:  Worldwide, the number of threatened species continues to grow. CBS's Cami McCormick has that. The latest red list of threatened species sounds the alarm. It now includes more than 160,000 animal and plant species. 6,000 more were added to the list in just the last year. Everything from cacti and chili to giant lizards in the Canary Islands. This report claims more than 80% of species are now at risk of extinction.