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The Promise (and Perils) of Nanotechnology

Comments (2) | September 11, 2007
frontlines

A Nasty Gas Attack
With some 1.3 billion cows worldwide, ruminant bad breath accounts for 80 million tons of methane each year -- a gas that is 20 times more effective at trapping heat in the atmosphere than carbon dioxide.
Comments (0) | September 1, 2007
reviews

Atomic Idyll
Bill McKibben reviews Gwyneth Cravens's Power to Save the World, The Truth About Nuclear Energy.
Comments (2) | September 1, 2007
fieldwork

Gadgets Go Green
Noah Horowitz is the brains behind NRDC's efforts to reduce energy use by electronics and appliances.
Comments (0) | September 1, 2007
letters

Letters from Our Readers: Fall 2007
Readers write in about sustainable consumption, wind farms, our genes and the environment, and more.
Comments (0) | September 1, 2007
feature stories

Our Silver-Coated Future
Nanotechnology is poised to transform our lives: miraculous cancer treatments, perfect sunscreens, a super new power grid. One problem: Nobody knows if this multi-billion-dollar enterprise is actually safe.
Comments (15) | September 1, 2007
frontlines

Q & A: Our Weather Man
Meet Howard Frumkin, the physician whose job is to protect the health of our nation against the onslaught of global warming.
Comments (0) | September 1, 2007
short takes

Smaller Is Weirder
Nanomaterials have a much higher surface-to-mass ratio, and while this makes them good for such purposes as water filtering, it also could cause them to interact with body cells that their tiny size allows them to infiltrate.
Comments (0) | September 1, 2007
frontlines

Drinking the Desert Dry
Think for a moment of a microchip -- that little piece of silicon that practically runs the modern world. What comes to mind?
Comments (0) | June 1, 2007
feature stories

Looking Deep, Deep Into Your Genes
How does the environment affect our DNA? Using a new generation of powerful genetic tools, scientists are finding unexpected answers that could revolutionize our understanding of the causes and prevention of disease.
Comments (2) | June 1, 2007