CAMBRIDGE, MASSACHUSETTS – APRIL 07: Former Vice President Al Gore discusses “Confronting The Climate Crisis: Critical Roles For The US And China”at Harvard University’s Sanders Theatre on April 7, 2016 in Cambridge, Massachusetts. Gores talk is part of the Harvard Global Institutes launch of the China Project, a multidisciplinary project to investigate climate change, energy security and sustainable development in China, led by atmospheric scientist Michael McElroy and economist Dale Jorgenson, and based at the Harvard Center Shanghai, and will involve a wide range of activities, including research, public lectures, conferences and research symposia, a research seminar series, policy consultations with decision makers, public outreach, and a summer course in China for undergraduate and graduate students. (Photo by Paul Marotta/Getty Images)
Former vice president and climate change activist Al Gore is concerned that a potential Donald Trump presidency could roll back progress in the fight against climate change.
"He has said some things on the climate crisis that I think should concern everyone,'' Gore said in an interview with NBC's "Today" show.
Trump has called climate change a hoax created by China.
In the Oscar-winning documentary "An Inconvenient Truth," Gore used charts and graphs to make the connection between increasing carbon emissions and the changing climate.
Get San Diego local news, weather forecasts, sports and lifestyle stories to your inbox. Sign up for NBC San Diego newsletters.
To mark the 10th anniversary of the film's release on Tuesday, Paramount is offering free downloads of it on Amazon, XFINITY on demand, iTunes and other digital retailers.
