another slide from doctor redmond, he swapped the colors to red is the $1,130,569 year running mean. what you see is very little trend over this one hundred year period. it's interesting to look that low period numbers here at the end and the lots of variability you see here in recent years. in 2002, and 04 and 06, the basin lost enormous amounts of snow pak in the spring. this one shares the continental divide with can colorado river. so this is indicative of what happens in spring of 06. the dark bars are what it was on april 01 and this is may one a month later. most of these lost 50 percent of their snow on one month period. many my favorite is went from 176 to normal and 0 percent in one month. this is a spring time warming trend that's quite son certain. this is provided by the national resource office in new port land. the trees are containing the manager's and it's been my pleasure to work with connie and she a long with dave and a few others reconstructed this going back five years and we're looking at a 20 year average dating to about 1500. what's interesting is the tree ri

participating: los angeles, sacramento, california's bay area, austin, washington d.c., detroit, orlando and redmond washington. they will be getting a combined 4,600 chargers in the next year and a half. >> right now, there's not much demand for electric car chargers, because there are not very many electric cars on the road. but that could change as car makers start selling mass-market electric cars later this year. 10 auto makers are planing to roll out plug-in cars, including g.m., ford and nissan. the only pure electric car available now is the tesla roadster, priced at over $100,000. but for all the attention electric cars are getting, they face an uphill battle. analyst jacob grose thinks it will be a decade or longer before there is widespread acceptance. >> i can tell you, from my analysis that i've done, electric vehicles are not going to represent more than a few percent of the entire vehicle fleet-- or even new vehicle sales-- by 2020, under pretty much any realistic scenario. >> reporter: he says sales will depend on many factors, including the cost of the cars, the price of gasoline, a