In computer models now being presented by some scientists, there are predictions equally as apocalyptic, but the cause is not the wrath of God, but rather overindulgence of humans. In a 1991 article in Environmental Health Perspectives , Yale virologist Robert Shope cautioned that rising temperatures could alter the life cycles of mosquitos leading to epidemics of dengue fever and yellow fever in North America.
Scientific opinions contained in news stories paint a bleak future.