What are the tallest trees in the world? These 10 skyscraping superstars are some of the stalwart examples of their species.

We stare at clouds all the time, whether trying to figure out what they look like or if they're bringing rain. Yet most of us know very little about clouds, let alone how to identify them.

How to Save Money on Groceries: 9 Sustainable Tips These tips can keep your hard-earned cash in hand while preventing food waste ...

The Solution to Expensive Housing May Sit in Plans from 1947 Competition How much house do you really need? These tiny designs might be more than enough.

Personally, I am somewhat of a rule breaker. And that dictates some of the decisions that I make as a gardener—the things I do, and the things that I might not do in my garden.

A Conservative Recalibration on Climate Is Inevitable, But Bipartisanship Is Not the Endgame What we need in the U.S. is rapid, complete, fair, and equitable decarbonization.

Electric Cars Are Not the Only Option for Low-Carbon Transport We have to look at the bigger picture—the transportation system efficiency.

The Greenest Building Is Flexible, Adaptable, and Universal CRTKL is developing a template for a building that can serve many functions.

I asked Eckerson if there was an e-bikelash happening in New York, and he told Treehugger: "Oh there is some. On our open street it is probably the number one complaint of “speeding e-bikes ...

The world has always needed more heating than cooling, which was fortunate because it was always easier to heat than it was to cool. You could just throw another log or lump of coal on the fire ...

Stirling Prize Short List Raises the Question: What Is Climate-Responsible Design? We live in a make and mend world, and have to question every new building.