A full 70 percent of survey respondents acknowledge that global warming is happening.
Author Florence Williams talks trees, cities, and creativity in her new book "The Nature Fix."
The proposal targets programs for low-income people, minorities, and indigenous groups.
The trinkets leave a toxic trail from the Middle East to China to New Orleans. Here's how we could make Mardi Gras beads better.
Bills in three states may launch an open season on facts.
Why the heck are fewer people taking transit?
Across the country, kids attend schools so close to busy roads that traffic exhaust poses a health risk.
This treasured American pastime has opened a climatic can of worms.
The founder of Tesla and SpaceX thinks he can cure Los Angeles of traffic congestion.