Below you will find links to our previous monthly features.

October 2007: The San Francisco Climate Challenge

An innovative San Francisco contest takes on climate change — After a few concerned individuals started to brainstorm ways to get people involved in combating climate change, they've founded a non-profit organization that aims to get people thinking about energy conservation in a new way....

November 2007: Sea Ice

An in-depth article about Arctic sea ice — its mechanics as well as past and current trends in sea ice extent. Abrupt loss of Arctic sea ice, the reasons behind shrinking sea ice, and the implications of an increasingly ice-free Artic are also discussed.

December 2007: Greenland

Greenland's ice sheet and tidewater glaciers are discussed in this feature article. Trends in flow, thickness, and growth in the Interior and at the edges of the ice sheet are summarized, including explanations of the physical processes impacting these trends. Additionally, we look at how Greenlanders are already experiencing the visible effects of a changing climate.

February 2008: The Rough Guide to Climate Change, Second Edition

The Weather Underground is pleased to be able to give you this sneak peak at the first chapter of The Rough Guide to Climate Change, Second Edition by Robert Henson and published by Rough Guides. In "Climate Change: A Primer," Henson explores some of the frequently asked questions about climate change, including "is the planet really warming up?" and "couldn't these changes have natural causes?". The information presented in this feature will bring you up to speed on the latest general information about the issue of climate change.

March 2008: Extreme Weather

Has extreme weather increased in recent years? Tornadoes and heavy rain in the United States are discussed.

May 2008: Glaciers

This feature focuses on mountain glaciers, and includes background information about formation, flow, and retreat. We also discuss the global trend of glacial retreat, look at the reasons behind it, and the consequences of the disappearance of mid-latitude and tropical glaciers.