Articles on Environment

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As temperatures rise, the timing of the ice thaw changes. Vincent Denarie via Arctic Report Card

From record warming to rusting rivers, 2025 Arctic Report Card shows a region transforming faster than expected

The 20th anniversary of the annual report tracks how sea ice, snow cover and many other vital signs of the Arctic have changed, and the impact that’s having on people and wildlife.
Studies show PFAS can be harmful to human health, including pregnant women and their fetuses. Olga Rolenko/Moment via Getty Images

PFAS in pregnant women’s drinking water puts their babies at higher risk, study finds

An innovative study mapped preterm births, low birth weights and infant mortality to municipal water wells downstream from PFAS-contaminated sites. The results show the high cost of PFAS harm.
Iranians pray for rain in Tehran on Nov. 14, 2025. The city is experiencing its worst drought in decades. Fatemeh Bahrami/Anadolu via Getty Images

Iran’s president calls for moving its drought‑stricken capital amid a worsening water crisis – how Tehran got into water bankruptcy

Iran’s sprawling cities and irrigated agriculture, along with tight market controls, have left the country vulnerable to drought. There are steps that would help.
Mahonia bealei, also known as Beale’s barberry or leatherleaf mahonia, is invasive but still sold for landscaping. HQ Flower Guide via Wikimedia Commons

From invasive species tracking to water security – what’s lost with federal funding cuts at US Climate Adaptation Science Centers

The people who manage America’s aquifers, wetlands, shorelines and recreation areas rely on federal science as they face new and rising risks in a changing climate.
Healthy staghorn coral were crucial builders of Florida’s coral reef. Today, few survive there. Maya Gomez

2 iconic coral species are now functionally extinct off Florida, study finds – we witnessed the reef’s bleaching and devastation

The crucial reef-building corals were decimated by a marine heat wave in the Florida Keys. Can advances in restoration help them recover?
Meltwater runs across the Greenland ice sheet in rivers. The ice sheet is already losing mass and could soon reach a tipping point. Maria-José Viñas/NASA

What are climate tipping points? They sound scary, especially for ice sheets and oceans, but there’s still room for optimism

A report warns that coral reefs may have reached their tipping point, and ice sheets, ocean currents and the Amazon are at growing risk. But, what does that actually mean?

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