Dear EarthTalk: I don’t hear much about the environmental impacts of our consumer culture any more, but it seems to me that our “buy, buy, buy” mentality is a major contributor to our overuse of energy and resources. Are any organizations addressing this issue today? – M. Oakes, Miami, FL

Space Rocks Near Earth

On Aug. 17 an asteroid estimated to be 17 to 39 meters in diameter will pass through space intersecting the Earth’s orbit, missing a collision by only about one million miles. The object will be moving at about 13,533 miles per hour, or 3.76 miles per second.