Climate scientists worry about feedbacks, glacial melting, sea level rise, using tax policy to slow warming, and the complexity of climate science. Is it realistic to base our economy on endless growth? What does human behavior tell us about dealing with warming?

Buried charcoal stimulates microbes and plant growth, helping farmers on poor soil. Studies show that charcoal is stable for hundreds of years.

Decay is part of life, and death. When garbage decays in a landfill, or manure decays in a tank, the result is methane. Is this natural gas a problem — or an opportunity?

The candidates are skirting issues related to environment, energy and science policy. Heard promising plans for greener energy, solid science advice, or coping with the decline of oil? We neither…

Hybrid cars and fuel cells increase auto efficiency and reduce pollution, but it’s a long struggle from the idea to the reality.

Many of the colors we see in fall are always present, but normally they’re hidden from view, says UW-Madison Arboretum native plant gardener Susan Carpenter.
The leaves of trees and other plants contain three main pigments: carotene, anthocyanin, and the photosynthetic pigment, chlorophyll, which captures the sun’s energy to make food for plants. As the most [...]

Migration of songbirds, butterflies, turtles and seals. Where does the natural urge to move originate?

How’s a hungry fish supposed to make a living in the shallow water below tropical mangrove trees? Hint: Squirt, squirt!

Coal ash is a giant garbage problem. Should we recycle more ash into concrete? A new process might save cement, rock, and landfill space.