09/19/2016
■Class discussion: Would you travel to see a threatened environment or endangered animals? What natural wonders do you expect to disappear in your lifetime? How many animal and plant species have vanished in the last century? What are the changes that killed these species? Some scientists say we are in the midst of a “mass extinction event” like the ones that devastated Earth’s life in the past. Do you believe that humanity can survive such an event? Why or why not?