The acrid, chemical smell in wildfire smoke isn't your imagination — it's benzene and formaldehyde, and sometimes it's literally burning plastic.

Twice a year, the moon and sun line up to push ordinary high tides over seawalls with no storm in sight, and South Florida just published exactly when it happens next.

A new UN report concedes the Paris Agreement's 1.5°C limit will be crossed within years. What happens next is called "overshoot" — and it will shape climate policy for the rest of the century.

A federal judge sided with 22 Republican state attorneys general to block New York's first-in-the-nation climate superfund fee, ruling the Clean Air Act preempts states from making polluters pay for storm and flood damage.

After the 2025 Los Angeles fires, California's insurer of last resort needed a $1 billion rescue, its first since 1993. Homeowners who never filed a claim are footing part of the bill.

Record rain overwhelmed small-town Indiana this month. The bigger story is a stormwater system that earned a D on its last national report card, and a $115 billion repair bill nobody's paying.

A carbon credit doesn't expire like a coupon, it gets 'retired' once and only once. Here's how retirement actually works, and the separate durability question it doesn't answer.

Salty, tidal-looking, and bigger than Germany, the Caspian fails the classic sea test on a technicality. Five countries spent 20 years fighting over what to call it instead.

Water's density peaks at 39.2°F, not at freezing. That single anomaly drives the seasonal mixing that keeps a lake's deep water breathing.

When a hurricane's steering winds collapse, the storm can sit in place for days, turning a wind event into a flood catastrophe. Here's why it happens.

Cities don't just run hotter than the countryside — they stay hotter after dark, and the nighttime gap is often wider than the daytime one.

Category number measures wind. It says nothing about how long a hurricane plans to sit still, and stalling is often what turns a storm catastrophic.

A record-breaking heat dome that has killed dozens in Western Europe is sliding east, with Germany and Poland bracing for the weekend peak.

A heat-stressed transformer failure in Brittany cut power to tens of thousands of homes as France logged its hottest day on record and Europe's heatwave spread north.