"RECYCLING refrigerators — especially those made more than 15 years ago — is a tricky job. The coolant in old appliances (now banned from newer versions) can cause serious trouble, warming the atmosphere and depleting the ozone layer."
"A defunct NASA satellite the size of a bus that is expected to fall to Earth on Friday will likely miss North America, NASA said.
The agency's 13,000-pound (5,900 kg) Upper Atmosphere Research Satellite, or UARS, has been slowly tumbling from orbit since its mission ended in 2005. It is expected to re-enter Earth's atmosphere and break apart on Friday."
The UARS satellite played a historic role in investigating the atmospheric chemistry behind the stratospheric ozone hole, and has been replaced by more advanced instruments gathering additional data.
"Free for dinner in Washington? Nineteen groups of architecture students will be serving meals next week at houses they have built in West Potomac Park, adjacent to the National Mall, as part of the Department of Energy’s biennial Solar Decathlon, a kind of “America’s Got Talent” for green architecture."
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