John Cleveland

Life after carbon: The next global transformation of cities
Children riding bikes in Oakland, California. (Credit: Thomas Hawk/flickr)

Life after carbon: The next global transformation of cities

Building resilience in cities means preparing for nature's power—but also addressing the social vulnerability of specific people due to climate changes.

In response to climate change, cities are cultivating the capacity of their inhabitants and core systems to adapt successfully to the future's new requirements.

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Peter Dykstra: Journalists I’m thankful for

My third annual list of the over-achieving and under-thanked.

WATCH: The latest evidence of widespread sperm count decline

WATCH: The latest evidence of widespread sperm count decline

"Pregnant women, and men planning to conceive a pregnancy, have a responsibility to protect the reproductive health of the offspring they are creating."

pacific salmon

Car tire chemicals are killing salmon and steelhead

The chemical 6PPD, added to tires to prevent degradation, is causing a “complete breakdown of the blood brain barrier” in fish, a new study found.

sperm count decline shanna swan

A new analysis shows a “crisis” of male reproductive health

Global average sperm count is declining at a quicker pace than previously known, chemical exposure is a suspected culprit.

PFAS Testing

Investigation: PFAS on our shelves and in our bodies

Testing finds concerning chemicals in everything from sports bras to ketchup, including in brands labeled PFAS-free.

sperm count decline

Frequently asked questions on the new sperm count decline study

Sperm counts are declining everywhere — the implications are huge.