While canaries are yet to raise the red flag on pesticide exposure, new research from the University of Pittsburgh shows that "ten of the world's most popular pesticides can decimate amphibian populations when mixed together even if the concentration of the individual chemicals are within limits considered safe." 'Decimate', here, is not hyperbole.
Some environmentally sound approaches to getting rid of garden pests
By the Editors of E - The Environmental Magazine
Posted 07.07.2008 at 3:58 pm 2 Comments
Dear EarthTalk: What green-friendly lawn and garden pesticides are available today? I'm particularly interested in options that won't harm my cats. -- Nancy Blanchard, via email
Pesticides have greatly boosted agricultural yields over the last half-century, so it is no wonder, given the commercial availability of many of these synthetic chemicals, that American homeowners apply 100 million pounds of the stuff each year to make their own gardens grow bigger and faster, too.
Sometimes our biggest fear is not knowing what to fear most. Fortunately, the weird science of risk analysis can teach us to judge better and fear smarter
By James Vlahos
Posted 06.13.2005 at 11:00 am 0 Comments
On December 27, 2004, while the world was focused on the Indian Ocean tsunami, a few astronomers were contemplating the possibility of an even deadlier disaster: that of a massive asteroid striking Earth. A fifth of a mile wide—heftier than the space rock that leveled a vast swath of Siberian forest in 1908—Near-Earth Asteroid 2004 MN4 had grabbed the attention of NASA scientists just before Christmas. They put the chance of an April 13, 2029, collision at 1 in 2,700 and two days later upped the odds to 1 in 165.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.