Danna Walker Contributor Share this page Share this page block Share this page block Share this page block Related content See all News & Commentary from this expert Skip carousel items Old Buildings, New Tricks December 31, 2015 NRDC in ActionUnited StatesDanna Walker Green skylines aren't just about shiny new skyscrapers. NRDC's City Energy Project aims to fix our old energy-suckers. Resources Skip carousel items 5 Ways City Dwellers Can Spur Climate Action April 7, 2022 How-ToUnited StatesDanna Walker Because of their massive environmental footprints, urban areas can play a huge role in curbing climate change. Ask these five questions of local leaders to see if your city is up to snuff.