Renewable jet fuel from leaves and twigs - Alaska Airlines recently flew the first commercial flight powered by forest residuals: the twigs, branches and leaves left behind by sustainable forestry. Dr. Ralph Cavalieri, Director of the Northwest Advanced Renewables Alliance at Washington State University explains how this exciting new renewable energy source is made.
Save butterflies, save ourselves - A continent-wide butterfly habitat network is being launched by the North American Butterfly Association to save these beautiful, endangered insects. President Jeffrey Glassberg explains how preserving and restoring their ecosystems will benefit us all.