Skip to main content

Subscribe to Smithsonian magazine and get a FREE tote.

Climatology

In the Catalina Mountains in southern Arizona, forests struggle to keep up with recent increases in drought and wildfire activity, which are expected to continue due to human-caused climate change.

The American West May Be Entering a ‘Megadrought’ Worse Than Any in Historical Record

A new study of ancient climate has a dire warning about today’s dry conditions

According to NASA: "The latest false-color view of total ozone over the Arctic pole. The purple and blue colors are where there is the least ozone, and the yellows and reds are where there is more ozone."

Why This Rare, Huge Ozone Hole Over the Arctic Is Puzzling Scientists

The new wound further diminishes Earth’s protective shield against damaging solar radiation

Icebergs breaking off of Pine Island Glacier into Pine Island Bay, where researchers found an uncharted island now named Sif.

Melting Glaciers Reveal a New Island in Antarctica

Earlier this month, Antarctica experienced its third major melt event of the summer, including record high temperatures

View of Takarkori shelter from the west.

New Research

Fossilized Fish Bones in the Sahara Desert Show How Diets Changed With the Climate

Thousands of years ago, hunter-gatherers in the “green Sahara” ate mostly catfish and tilapia

Tempestries representing daily high temperatures in Utqiagvik, Alaska, in 1925, 2010, and 2016 (left) and Death Valley, California, in 1950 and 2016 (right)

Art Meets Science

How Knitting Enthusiasts Are Using Their Craft to Visualize Climate Change

In these crafters’ scarves and blankets, rows of color correspond with daily temperature

40 million people rely on the Colorado River for water, but its flow is falling by more than 9 percent with every 1.8 degrees Fahrenheit rise in temperature.

New Research

The Colorado River Is Shrinking as Temperatures Rise

River flow could drop by 19 to 31 percent if carbon emissions continues at their current pace

Numbers of these charismatic, blubbery birds have decreased by about half across Antarctica's northwest.

Preliminary Census Documents Antarctica’s Chinstrap Penguins in Sharp Decline

Climate change is the likeliest culprit, researchers say

Fuzzy and fast flying, bumblebees tend to run warm, and are best adapted to cooler climes.

Climate Change Has Driven Serious Declines in World’s Bumblebees

The number of habitats in North America that bumblebees occupy has fallen by almost 50 percent

Changing temperatures affect how quickly wine grapes ripen, how sweet they are, and how much acid they have, all of which influences the quality of the end product.

English Sparkling Wines Challenge the Supremacy of Champagne, France—Thanks to Climate Change

As average temperatures rise and extreme weather events become more common, vintners are forced to adapt year to year

"Tardigrades are definitely not the almost indestructible organism,” says Ricardo Neves.

New Research

High Temperatures Might Be Water Bears’ Achilles Heel

Tardigrades are known for their resilience, but a new study shows they can’t bear hours in the heat

A Jamaican fruit bat (Artibeus jamaicensis), one of the species that contributed to the guano researchers used to study the climates of the past.

Ancient Bat Guano Reveals Thousands of Years of Human Impact on the Environment

Like sediment cores, ice samples and tree rings, bat excrement can be used to study the climate of the past

These are ten of the biggest strides made by scientists in the last ten years.

The Top Ten Scientific Discoveries of the Decade

Breakthroughs include measuring the true nature of the universe, finding new species of human ancestors, and unlocking new ways to fight disease

Thousands of brooding octopuses were discovered in 2018 on the ocean floor off the coast of California.

Eighteen Things We’ve Learned About the Oceans in the Last Decade

In the past 10 years, the world’s oceans have faced new challenges, revealed new wonders, and provided a roadmap for future conservation

Loss of oxygen allows algae to thrive, which in turn has cascading effects on marine ecosystems.

The World’s Oceans Are Being Starved of Oxygen

An alarming report found that there are 700 marine sites impacted by low oxygen levels—up from 45 in the 1960s

El Quitasol (The Parasol) by Francisco del Goya, digitally doctored into a scene that portrays the consequences of climate change

Art Meets Science

See Four Spanish Masterpieces Updated to Reflect the Consequences of Climate Change

Timed to coincide with the ongoing U.N. Climate Change Conference, the campaign is a digital effort to warn the world

Science thanks you for your service, elephant seal!

Seals With High-Tech Hats Are Collecting Climate Data in the Antarctic

Scientists hooked the animals up with sensors that monitor how heat moves through deep ocean currents

One scientist, Dave Willard, took the measurements of the 70,716 bird specimens in this study and recorded them by hand into ledgers like this. This photo shows one of Willard's ledgers, his measuring tools, and a Tennessee Warbler.

Climate Change May Be Causing Birds to Shrink—and Their Wings to Grow

The phenomenon was ‘shockingly’ consistent across a variety of bird species, according to the authors of a new study

Potato harvest are down, but french fry demand is up.

Poor Potato Crops Could Lead to a North American French Fry Shortage

Say it isn’t so

Mercury-Laden Fog May Be Poisoning California’s Mountain Lions

A new study has found that pumas in the Santa Cruz Mountains display higher mercury levels than big cats in inland regions

Pack rats near their nest, or midden, in the City of Rocks National Reserve in Idaho.

From Ancient Seeds to Scraps of Clothing, Rats’ Nests Are Full of Treasures

Material gathered and preserved in a pack rat’s midden helps researchers open new windows on the past

Page 3 of 9