Complex sentence: Ball rejoins that the climate program at The University of Winnipeg was part of the geography department in the early 1980s and asserts that many false claims about his credentials and professional qualifications have been stated as factual by websites such as DeSmogBlog.
Split into simpler sentences: Ball rejoins that the climate program at The University of Winnipeg was part of the geography department in the early 1980s. He also asserts that many false claims about his credentials and professional qualifications have been stated as factual by websites such as DeSmogBlog.