Upstart app looks to track your carbon footprint

Swedish capital's subway system gets an artistic makeover

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

Dutch designer presents a plan to reinvent the highway

Project aims to transform LA billboards into aerial gardens

At Epi-Log, Adrian discusses our delicious new non-profit project

South African photographer documents fires in Johannesburg parks

Solar and wind accounted for all of our new electricity last month