Nitrogen fertilizer being used on an Illinois farm. (NEWSCOM)
Earth's growing nitrogen threat
It helps feed a hungry world, but it's worse than CO2.
Top Living Green (View all Living Green)
- California garbage trucks fueled by ... garbage
- Americans' attitudes toward the environment aren't reflected in action
- Joel Salatin advocates a better way to raise food
- New Orleans in the forefront of a green building revolution
- Americans are getting better at water conservation
- 'No impact man' after a year doing without -- what now?
- Invasive plants -- from pest to pesto
- Earth Talk: Why are US rail options limited compared with Europe?
- Environmental education goes global
- Guilt-free sushi
More Living Green
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Earth Talk: Can you recycle your old mattress?
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Earth Talk: Who’s building places to charge plug-in cars?
Finding a place to plug in an electric car – and what it will cost.
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Earth Talk: The most energy-efficient way to heat a cup of water
When choosing among the microwave or a gas or electric stove top, the answer may surprise you.
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Grilling with gas or charcoal: What’s better for the environment?
Green Stuff: Eco-news and discoveries
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A wake-up call on water use
A long-running resource issue finally trickles down to more consumers.
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Cash for (lawn) clunkers
The Greener Gardens Act would give credits for replacing old lawn equipment with environmentally friendly models.
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The school lunchroom grows green
From kindergarten to college, school cafeterias become ecofriendly by banishing trays, growing veggies, and composting waste.
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Chevron fights massive lawsuit in Ecuador
A case about responsibility for cleaning up a toxic drilling site could cost the company billions and send a chill through the industry.
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Colleges turn students' trash into cash for charity
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EarthTalk: Environmentally friendly house gutters
When new gutters are needed, consider green choices.
