Complex sentence: As the twenty-first century advances, governments will also be pressured to prepare for future natural disasters, such as Global Warming, and the "CNN effect" will play an increasingly important role in influencing government decisions.
Split into simpler sentences: As the twenty-first century advances, governments will also be pushed to prepare for future natural disasters, such as Global Warming. The "CNN effect" will play an increasingly important role in influencing these government decisions.