Electromagnetic explosions, devastating climate change, mysterious diseases...But perhaps the natural disasters carving a deadly path across the globe are not the biggest threat to life as we know it. On Target Earth, a 2-hour special on H2, scientists, government officials and other experts examine earth's infrastructures and life-support systems to theorize how humans would fare in an alien attack. See what they think would happen if extraterrestrial invaders targeted the earth's natural resources, telecommunications, food and water supplies, weapons and even the human body to seize control of our planet - and us. Would we have the weapons to fight back? Or would we be forced to surrender?moreless
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