Whether global warming is caused by nature, by humans, or a combination of both, there are visible changes to the planet because of it. Since the 1980s, when scientists first became concerned about global warming, they have observed shifts in weather, as well as alterations in the earth's oceans, massive ice formations, plants, and wildlife-and to some extent, all have been attributed to a planet that is becoming warmer. There is an ongoing debate among scientists about why these changes are occurring, and there is also disagreement about whether or not the changes are significant. However, the fact that they are occurring cannot be disputed because the evidence speaks for itself.

Rising Sea Waters

One result of global warming is a temperature increase in the earth's oceans, which cover nearly three-fourths of the surface of the planet. Because of their...