Our Planet

Sassafras leaves begin to grow. Both 19th-century Ohio farmer Thomas Mikesell and current Ohio State University ecologist Kellen Calinger-Yoak recorded important details about the plant.

What a 19th-Century Farmer’s Forgotten Notes Reveal About Growing Seasons

The documents provide evidence of climate change's effect on hardwood trees in Ohio

At the time it was signed, the Montreal Protocol was seen as a good thing for the planet. A new study shows it was even better than anyone first realized.

By Fighting the Ozone Hole, We Helped Curb Climate Change

With the Montreal Protocol, life on Earth dodged a bullet we didn’t even know was headed our way

Range anxiety is still a major hurdle for prospective EV buyers.

What Will It Take to Charge Electric Vehicles Faster?

To get more EVs on the road, these scientists are working to charge a car in the same time that it takes to fuel up at a gas station

One-third of the world’s population can’t see the starry band of light in the night sky that makes up the Milky Way (above). The new show “Lights Out: Recovering Our Night Sky” at the National Museum of Natural History looks at the devastating impacts of artificial light.

Planet Positive

Why It’s Time for a Worldwide Lights-Out Program

A new Smithsonian exhibition delves into the issue of light pollution, with easy solutions offering an immediate change

The Smithsonian's podcast Sidedoor uncovers the climate change insights hidden in old paintings (above: Shivalal, Maharana Fateh Singh Crossing a River During the Monsoon (detail), c. 1893).

What Centuries-Old Indian Court Paintings Tell Us About Climate Change

This month’s Smithsonian podcasts include a deep dive into India’s monsoon weather patterns and discussion of animals in flight

A revolutionary new tool, a collaboration between the Smithsonian Astrophysical Observatory and NASA, will monitor the chemistry and changing dynamics of major pollutants (above: an Arizona power generating station).

This Eye in the Sky Promises Major Insights Into the Air We Breathe

The satellite mission TEMPO will detect pollutants at a neighborhood scale across the nation

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Our Sustainable Future

Our Sustainable Future

The latest on how climate change affects life on Earth today and on what solutions scientists, including those at the Smithsonian, are innovating

"AquaReinas," or costumed mermaid messengers with the Mermaid Society of Texas, participate in the 2022 Mermaid Capital of Texas Fest parade in San Marcos, Texas.

Planet Positive

The Texas City Where Mermaids Inspire River Conservation

“Aquamaids” were once the stars at an amusement park in San Marcos. Now, they are making a comeback to help the environment

Technician Yesmarie De La Flor prepares cultures of probiotics in the Smithsonian Marine Station’s microbiology laboratory in Fort Pierce, Florida. These probiotics were used for testing on diseased corals.

Probiotics May Help Corals Fight a Dangerous Disease Off Florida’s Coast

The new treatment shows promise in lab experiments

A sadhill crane flies over the San Luis Valley.

Planet Positive

Planet Positive

From stories about rebounding species to dispatches about green innovations, <em>Smithsonian</em> magazine shares environmental practices that are working.

Researchers hike near a creek that formed after a glacier retreated.

As Glaciers Retreat, New Streams Offer Homes for Salmon

After the waterways form, insects move in, alders and willows spring up, and spawning fish arrive in thousands

Saylor Flett, left, fans flames ignited by Jeff Greef. Air quality, weather and even bird migration affect when it&rsquo;s safe to conduct a burn.

Planet Positive

Fighting Fire With Fire in California

How communities in the West are boldly setting property ablaze to reduce the impact of extreme wildfires

Live oaks in Beaufort, South Carolina, photographed using an old-fashioned wet-plate process

The Live Oak Tree Has Withstood the Ravages of History

Majestic and sturdy, the icon of the American South has offered protection time and again

Dairy farms like this one run by the Barstow family in Hadley, Massachusetts, make smart use of a substance cows produce in abundance.

How Dairy Farmers Are Turning Manure Into Money

These New Englanders have found a way to help the planet and convert more than 9,000 tons of cow waste annually into electricity

The sun sets over the Susquehanna River in northern Pennsylvania.

America's Waterways: The Past, Present and Future

America's Waterways: The Past, Present and Future

In a series of articles, <em>Smithsonian</em> magazine highlights all that draws our eyes to our nation's fresh and coastal waters

A $25 million plan to uncover 1,100 feet of Jordan Creek and build three bridges is moving forward in Springfield, Missouri.

America's Waterways: The Past, Present and Future

How 'Daylighting' Buried Waterways Is Revitalizing Cities Across America

Urban centers are exhuming creeks and streams once covered up to control floodwater—and bringing life back in the process

A father shows his son the awful-smelling algae hugging the shoreline of the St. Lucie River during a summer bloom in Stuart, Florida, in 2016. The algae fouled coastal waterways, created angry communities, closed beaches and had an economic impact as tourists and others were driven away by the smell and inability to enjoy the waterways.

Florida’s Love-Hate Relationship With Phosphorus

The state has mined and abused the Devil's Element for decades, and now it is increasingly fouling precious coastal waters

Untold tsunamis hit coastal communities before anyone logged them in written records. Paleotsunami researchers are on a quest to uncover these forgotten disasters.

These Tsunami Detectives Search for Ancient Disasters

The gigantic waves have been decimating coastlines since time immemorial. We ignore these prehistoric warnings at our own peril.

Large-scale production of green hydrogen is seen as an alternative to the use of fossil fuels in the coming decades. Latin America is well-positioned to play a large part in this new industry and already has several projects in the works.

Can Green Hydrogen Help Power Latin America?

In anticipation of future demand, several projects are underway in the region to produce this clean energy source

&Iacute;ris Dr&ouml;fn Gu&eth;mundsd&oacute;ttir (left) and her cousin Anton Ingi Eir&iacute;ksson release pufflings from the Hamarinn sea cliff on the Icelandic island of Heimaey.

Planet Positive

An Icelandic Town Goes All Out to Save Baby Puffins

Kids and senior citizens alike rally to rescue beloved young seabirds that have lost their bearings

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