In an interview for an upcoming documentary on the state of our environment

Scenario 1: In an interview for an upcoming documentary on the state of our environment, Kansas farmer Jeff Turley concluded that there is no such thing as global warming. In defending his position, Turley claimed that his tomato crop had improved steadily over the last 5 years, and therefore Earth’s conditions are at their best and getting better.

Address the following questions in 150 words:

• What is the difference between soundness and validity in the context of Jeff’s argument?

• How can Jeff’s argument be tested for validity?