Environment

Former Mayors Michael Nutter and Kasim Reed speak with Kate Gallego, mayor of Phoenix — one of the hottest cities on earth

Eight years ago, Edmonton, Canada, started a citywide effort to celebrate its intense cold, rather than hide from it. Would doing the same here lessen social isolation, help spur local democracy and make this third Covid winter more bearable?

The Ukrainian president likened the situation in his country to two battles fought by Americans. MSNBC Host and Citizen Board Member Ali Velshi explains that both of these were turning points against an autocratic regime

MSNBC host and Citizen Board Member Ali Velshi explains a recent advance in nuclear fusion that brings us a step closer to clean energy

Locally-owned shops and services that put a dent in climate change — and make you feel a little bit better about everything

It’s a crisis akin to violent crime that the City and state have ignored for far too long, says WURD’s midday host, responding to a Citizen story this week about real steps being made in Houston.

An ongoing federal investigation into illegal dumping in poor, majority Black neighborhoods in Houston is already cleaning things up. Could it happen in Philadelphia?

Ithaca, New York is on track to become the first city in the nation to transition all of its buildings from fossil fuels to renewable electricity, reducing their carbon emissions by 400,000 tons per year. Can we do it in Philly too?

Drexel’s Metro Finance director was a keynote speaker at the first ever meeting of G7 urban leaders. Here, his calls to action for creating livable, growing, global cities

One of the most famous — and famously attacked — climatologists in America is now the founding director of Penn’s new climate change institute. He has a few things to say to those who doubt we can still save the earth