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Posted inENVIRONMENT, IN-DEPTH

The ‘most famous slideshow in the world’ — Al Gore presents his dramatic PowerPoint on climate change in Pittsburgh

It took more than 90 minutes and several hundred slides, but Al Gore finally arrived at the part of the “most famous slideshow in the world,” as it was introduced, where he built a crescendo of hope for the roughly 1,400 people at the David L. Lawrence Convention Center in Pittsburgh Tuesday.