What evidence shows the earth had a constant tropical temperature in the past?
Archaeological evidence shows tropical vegetation and tropical animals frozen in deep ice in northern Siberia. This indicates the planet once had a constant tropical temperature from pole to pole. A vapor belt diffused sunlight, creating a greenhouse effect, so there was no direct sunbeam and temperatures remained constant.
Les teaches that archaeological evidence supports this: tropical vegetation and tropical animals have been found frozen in the deep ice of northern Siberia. He explains that a vapor belt shielded the earth from the damaging part of the sun’s rays and caused sunlight to be bent and diffused, much like a spoon appears in a glass of water. Because no direct sunbeam hit the planet, it was tropical from pole to pole. That vapor belt created a greenhouse effect, producing one constant temperature. Scripture also indicates it never rained but was watered from beneath. With diffused sunlight all around the globe, there was no weather, no shift in temperatures, and no increase in atmospheric pressures, giving the beautiful, calm, constant weather of the pre-flood experience.