The American Council for an Energy-Efficient Economy just released its annual guide to the greenest vehicles. For the first time, an electric vehicle (the Mitsubishi i-MiEV) ranked highest. This factoid stirred up for me an issue that is not discussed often enough, and is understood even less. When driving an EV, where you charge the batteries will determine (more…)

A new analysis calculates that vegetation in the world’s tropical regions stores about 229 billion tons of carbon, which is about 21 percent more carbon than previously believed.

Using remote sensing satellite data — including cloud-penetrating LiDAR — and field observations (more…)

A new UK study says that cities and towns provide a large and underestimated amount of carbon storage, and can soak up even greater amounts of CO2 if city groups and gardeners plant more trees.

Using satellite data and information collected during visits to locally owned or managed properties (more…)