The links on this page should help you begin to understand the science of climate change. Possible effects Causes of climate change Much of the talk about climate change focuses on the role of carbon dioxide and other greenhouse gasses. But other factors are involved, beginning with natural climate cycles. The IPCC is a large, global group of scientists that makes regular reports on global change issues, both science and policy. While some scientists disagree with the IPPC reports or parts of them, the IPCC does to a large degree set the agenda of the world's discussion of climate change.
Oceans plan a key role in the Earth's climate because water warms and cools slower than air.
Water vapor and climate United Kingdom's Tiempo Climate Cyberlibrary Natural climate cycles Climate change is often discussed in terms of human activities affecting climate, but there are also natural changes. Exhibit Web pages answer questions about the what, when and why of ice ages. Introduction to Natural Causes of Climate Change. Glaciers with time. In the 1920s, Milutin Milankovitch, a Serbian scientist, worked out a theory of how slow changes in the Earth's orbit could affect climate, accounting at least in part for alternating ice ages and warmer periods.