As part of the 18th Annual Silicon Valley Astronomy Lectures series, Wednesday evening brought another speaker to the Smithwick Theater. Dr. Ashwin Vasavada, a planetary scientist working at the NASA Jet...

In 1990, the US’ total CO2E (CO2 equivalent) output was roughly 5 gigatons per year. Emissions rose steadily over almost 2 decades, peaking at 6 gigatons around 2008. Since then, US emissions have fallen...