Transportation claims 20% of emissions, but train travel will soon contribute none.
Artists unite to record a 'Love Song to the Earth'
September 2, 2015, 2:24 p.m. by Michael d'Estries
New single, recorded to inspire action on climate change, features performances by Paul McCartney, Jon Bon Jovi, Sheryl Crow, Colbie Caillat and many more.
Get ready for the supermoon total lunar eclipse
September 2, 2015, 10:27 a.m. by Mike Wall, SPACE.com
September's supermoon eclipse is the last one until 2033, so dust off the telescopes.