National Geographic Traveler magazine recently featured a full exposé on global warming, climate change, and how it will affect travel and tourism. This was a great series, but unfortunately it is not available online. So I will post a series of articles that covers the evidence they’ve gathered, plus some. Today, I present the emerging signs of climate change as [...]

Terrapass is a Menlo Park-based alternative energy company that sells carbon credits to consumers who want to balance out their “carbon footprint,” or the amount of carbon dioxide emissions they generate through travel and other energy consumption. You can buy a credit (starting at $30 a year depending on what kind of vehicle you drive and how many miles a [...]

The graph above has become increasingly noteworthy recently. It is the product of a years-old study by climate scientist Michael E. Mann, which shows a sharp rise in greenhouse gases in the last century, known as the “hockey stick curve.” The discussion of global warming in the media is growing at an exponential rate. Viewers of the film An Inconvenient [...]