Science

How Much Did Ancient Land-Clearing Fires in New Zealand Affect the Climate?

A new study adds to the evidence that forest clearing and the spread of agriculture affected the Earth’s atmosphere and temperature earlier than previously believed.

By Bob Berwyn

Warming Trends: Where Have All the Walruses Gone? Plus, a Maple Mystery, ‘Cool’ Islands and the Climate of Manhattan

By Katelyn Weisbrod

With a Warming Climate, Coastal Fog Around the World Is Declining

By Bob Berwyn, David Hasemyer, Mallory Pickett

Warming Trends: A Delay in Autumn Leaves, More Bad News for Corals and the Vicious Cycle of War and Eco-Destruction

By Katelyn Weisbrod

Q&A: Sustainable Farming Expert Weighs in on California’s Historic Investments in ‘Climate Smart’ Agriculture

By Liza Gross

World Meteorological Organization Sharpens Warnings About Both Too Much and Too Little Water

By Bob Berwyn

Polar Bears Are Suffering from the Arctic’s Loss of Sea Ice. So Is Scientists’ Ability to Study Them

By David Hasemyer

Warming Trends: Cruise Ship Impacts, a Vehicle Inside the Hurricane’s Eye and Anticipating Climate Tipping Points

By Katelyn Weisbrod

Warming Trends: Katherine Hayhoe Talks About Hope, Potty Training Cows, and Can Woolly Mammoths Really Fight Climate Change?

By Katelyn Weisbrod

Warming Trends: Shakespeare, Dogs and Climate Change on British TV; Less Crowded Hiking Trails; and Toilet Paper Flunks Out

By Katelyn Weisbrod

Big Reefs in Big Trouble: New Research Tracks a 50 Percent Decline in Living Coral Since the 1950s

By Bob Berwyn

The Rate of Global Warming During Next 25 Years Could Be Double What it Was in the Previous 50, a Renowned Climate Scientist Warns

By Bob Berwyn

Florida’s Majestic Manatees Are Starving to Death

By Amy Green

Warming Trends: Indoor Air Safer From Wildfire Smoke, a Fish Darts off the Endangered List and Dragonflies Showing the Heat in the UK

By Katelyn Weisbrod

Moving Water in the Everglades Sends a Cascade of Consequences, Some Anticipated and Some Not

By Amy Green

Warming Trends: Tuna for Vegans, Battery Technology and Climate Drives a Tree-Killer to Higher Climes

By Katelyn Weisbrod

In the Arctic, Less Sea Ice and More Snow on Land Are Pushing Cold Extremes to Eastern North America

By Bob Berwyn

Amid the Misery of Hurricane Ida, Coastal Restoration Offers Hope. But the Price Is High

By James Bruggers, Bob Berwyn

In the Amazon, the World’s Largest Reservoir of Biodiversity, Two-Thirds of Species Have Lost Habitat to Fire and Deforestation

By Georgina Gustin