Upstart app looks to track your carbon footprint

November was the hottest month yet for EV sales in the US

Swedish capital's subway system gets an artistic makeover

World Energy Council calls for stable policies to encourage sustainability

In Qatar, climate activists call on Islamic leaders to take a stand against global warming

Brooklyn-based artist/photographer envisions a post-apocalyptic world

Designers Jason Klimoski and Lesley Chang transform discarded containers into fluffy clouds

Land art installation features a trench lined with colorful crosscut logs

Leaders face big challenges at the 2012 climate conference