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Close up of electric radiator in living room

American homes need heat pumps, not space heaters

By Matt Simon / Grist

Old tombstones with flowers decorated

Why millions of adorable bees are emerging from this cemetery

By Matt Simon / Grist

CHICAGO - AUGUST 16: A walkway is visible along a side of the city of Chicago City Hall's rooftop garden August 16, 2006 in Chicago, Illinois. The garden sits on the top of the 11-story city hall building and was first planted in 2000. The city says the rooftop garden/green roof consists of upwards of 100 species of growth in almost 20,000 plants. Two trees, shrubs and vines can also be found there. (Photo by Tim Boyle/Getty Images)

The huge, untapped potential of planting rooftop gardens in cities

By Matt Simon / Grist

The roof of Crossrail Place features glulam timber beams joined with steel connectors, demonstrating advanced structural engineering and the fusion of functionality with modern British architectural design. The exposed framework highlights craftsmanship, material innovation, and the interplay between timber and steel within London’s contemporary infrastructure, United Kingdom.

The skylines of the future will be made of wood

By Matt Simon / Grist

Dirty unhygienic toilet in an apartment

Would you pay $49 a month to drink recycled wastewater?

By Matt Simon / Grist

A close-up, low-angle photograph of a young, pink piglet standing in a pile of golden straw inside a barn or hoop house. The piglet is looking directly at the camera with large ears and a slight, curious expression, while other blurred pigs are visible in the background.

This pig’s bacon was delicious. But she’s alive and well.

By Matt Simon / Grist

An overhead shot of an ubran farm showing different segmented plots.

How urban farms can make cities more livable and help feed America

By Matt Simon / Grist

Thick orange haze above San Francisco on September 9 2020 from record wildfires in Californa, daytime view of ash and smoke floating over the Bay Area

Wildfire smoke could soon kill 71,000 Americans every year

By Matt Simon / Grist

An elevated view of the famous Shibuya Crossing in Tokyo, Japan, filled with a large crowd of pedestrians. People of all ages are walking in various directions across the wide, multi-directional crosswalks, which form a pattern of thick white stripes on the gray pavement. The scene is bright and busy, capturing the constant flow of foot traffic.

Struggling to get in your daily steps? It may be your city’s fault.

By Matt Simon / Grist

June 3, 2012 - An intense bloom of phytoplankton in the Black Sea, staining nearly every corner with a rich palette of teal, turquoise, green and milky blue. The Sea of Azov, to the northeast was also filled with swirls of color, including a touch of tan which may indicate not only phytoplankton, but sediment also circulates in those waters.

The tiny ocean organisms that could help the climate in a big way

By Matt Simon / Grist

A satellite view wildlife

The smoke from Canada’s wildfires may be even more toxic than usual

By Matt Simon / Grist

A large array of solar panels along Highway 41 in California's central valley

Farmers are making bank harvesting a new crop: Solar energy

By Matt Simon / Grist

Overhead view of water flushing through a white color toilet bowl

The fix for parched western states: Recycled toilet water

By Matt Simon / Grist

The winner of the Most Rats Gained award goes to Washington, D.C., with a 390 percent increase according to the city’s last decade of data, followed by San Francisco (300 percent), Toronto (186 percent), and New York City (162 percent).

Oh, great: Rat populations are surging as cities heat up

By Matt Simon / Grist

nuclear power plant

Will the world fall in love with nuclear power once more?

By Matt Simon / Grist

A study of 11,000 twins shows how to make America walkable again

By Matt Simon / Grist

A company called Hydrostor pumps water in and out of caverns to store energy generated by renewables.

How giant ‘batteries’ in the Earth could slash your electricity bills

By Matt Simon / Grist

How do you save a rainforest? Leave it alone.

By Matt Simon / Grist

hot train tracks

Taking a train during a heat wave? Watch out for ‘sun kinks’

By Matt Simon / Grist