environment
Inspecting a bone from a salmon's ear can reveal where it has lived.
Your work environment can make a big difference in your well-being.
Climate models show increase in electrifying hits.
Combining treated bed nets with potential vaccines could make matters worse.
Mathematical model suggests crops can have a noticeable effect on power generation.
Some crops grown at elevated carbon dioxide levels have less zinc and iron.
Artificial "eco-leather" could be on fashion runways next year.
As gold prices soar, so do deforestation and mercury pollution.
A new process turns waste chicken feathers into biodegradable plastic.
The first nationwide count of parking spaces demonstrates their high environmental cost.
Alternative energy technologies you've never heard of.
Local governments acknowledge that some significant air and water improvements have occurred in the four decades since Earth Day was first celebrated.