Pollution and ravenous Asian carp may threaten the U.S. Great Lakes, but the Obama administration has now put forth a four-year, $475-million rescue plan that would clean up the huge lake ecosystem and institute a "zero tolerance policy" against future incursions by invasive species, AP reports.
Humans built electrical barriers and dumped poison in the Illinois waterways, but an alien species still managed to leave a disturbing presence in the waters of Lake Michigan near Chicago. Fresh lake samples taken in December revealed the DNA of aggressive Asian carp, according to the Journal Sentinel. That news surfaced even as the U.S. Supreme Court announced yesterday that it had turned down a plea from Great Lakes states to force the U.S. Army Corps of Engineers to shut lakeside navigation locks against the intruders.
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.