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Climate Change

White House national climate advisor talks Inflation Reduction Act results and reasons for hope
Ali Zaidi (right) and Justin Worland in discussion at Perry World House.

White House National Climate Advisor Ali Zaidi (right) and senior correspondent at Time magazine Justin Worland in discussion at Perry World House.

(Image: Gabby Szczepanek/Perry World House)

White House national climate advisor talks Inflation Reduction Act results and reasons for hope

In a fireside chat at Penn, Ali Zaidi talked about the Biden Administration’s climate policy as a throughline to securing global competitiveness and domestic prosperity.
The other emissions coming from cars
A gloved mechanic holds a new tire.

Image: iStock/dangrytsku

The other emissions coming from cars

Tiny tire particles discharge into the environment every time a vehicle brakes, accelerates, or rounds a curve. In a UN brief, geochemist Reto Gieré and colleagues aim to educate the world about this lesser-known environmental obstacle.

Michele W. Berger

A greener, cleaner way to extract cobalt
A large setup infrastructure for mining gold and other minerals in Australia.

(Image: Alfio Manciagli)

A greener, cleaner way to extract cobalt

Penn researchers led a collaborative effort pioneering safer, more sustainable technique to extract elements critical to battery-powered technologies. Findings pave the way for getting value from materials that would otherwise be considered waste.