A truck dumping biosolids in Geneva, Illinois

Waste Not, Want Not

Sewage is a vital part of a circular economy—and we have the tech to make good use of it. Why don’t we?
Chlorella algae under a microscope

Algae: The Food of the Future of the Past

In the years following World War II, American and European food scientists hoped to feed the world with common pond scum supplemented with plastics.
an aerial view of The south eastern region of Malta

Sustainability in One of the Smallest Countries

Surrounded by rising seas, island nations face particular challenges in terms of growth. How can they best assess the sustainability of future development?
A cat relaxing on a warm radiator

Heating Your Home Sustainably

Home heating can be done more sustainably than we currently do it. How to do it depends on a number of factors.
A person wearing a denim jacket

Could Our Love of Clothing Promote Sustainable Fashion?

There are some clothes you hang on to, year after year, because they're durable and amazing.
Construction method from the Severn Barrage from the English coast to the Welsh coast

Tidal Power: A Forgotten Renewable Resource?

For well over a century, engineers have proposed harnessing the ocean's tides for energy. But the idea hasn't seemed to register in many places.
A pile of manure for fertilizing crops

A History of Human Waste as Fertilizer

In eighteenth century Japan, human excrement played a vital role in agriculture. Can similar solutions help manage waste today?
A network server

How Much Carbon Will It Cost to Read This Story?

Just how significant is the internet’s carbon footprint?
Good Housekeeping October 1905

Speaking for Rural America, 100 Years Ago

In the early 20th century, the Country Life Movement tried to make rural life appeal to women. But it ignored many truths about farms and women alike.
A fisherman on the dock with his catch.

How to Eat Seafood — Sustainably

Fish stocks are collapsing. But you can still enjoy your freshest local seafood without feeling too guilty—and here’s why.