the earth of its resources and altaring prime evil jungle. >> we are seeing whole entire ecologies, that which you can see with your eye and that which you can see only with a microscope. >> one system after another completely reshaped. >> is there a sense -- >> in every case this aforpds opportunities for viruss and bacteria to seek out new homes, cause new havoc, including disease for human beings. >> when con tajon happens, life altars in an instant. we don't feel safe. we lose trust. >> it spreads very quickly when you have an infectious disease outbreak. people know what's happening in another part of the world so much more quickly, so much more vividly than ever before, so the con tajon of fear moves faster