After a major spike in air pollution earlier this week, Paris city mayor Anne Hidalgo asked authorities to prevent one in every two cars from taking to the capital's streets and make all public transport temporarily free until at least Monday in an effort to reduce pollution. With limited exceptions such as taxis, emergency vehicles, and electric cars, only personal vehicles with licenses that begin with odd numbers will be allowed on the city streets.
Grady Hillhouse, a civil engineer specialized in dams and large hydraulic structures, prepared a display for an elementary school Career Day to explain the basic principles of dam function! Watch the video below demonstrating the different construction stages!
A major slope stability failure occurred last week at Yeager airport's main runway, urging to the evacuation of homes located at the foot of the reinforced slope and relocation of their owners. The reinforced slope was by the time of its construction the largest reinforced slope in the United States.
Extensive landslide phenomena are developing in the last few days in Amaliada Greece, threatening an entire village. The situation is significantly worsened by rainy weather and scientists monitoring the phenomenon are still unable to make any predictions about its completion.
In the midst of a four year drought, California’s limited snowpack promises another dry year in 2015. Mountain temperatures, which claim the hottest October - January period in 120 years, have prevented a snowpack formation. This snowpack typically provides one third of California’s water through meltwater each spring. The statewide snowpack currently holds only one-twentieth of its multidecade average.
Massachusetts has experienced a large number of structural failures over the past month due to extreme snowfall. This past Wednesday (March 4th), after an additional 2 inches of snow accumulation, some 20 roof collapses occurred across the state including a large industrial complex in Hyde Park. A 10,000-ft2 section of the roof failed causing a 150-foot long section of CMU wall to crumble into the street alongside the complex. Power and gas lines were also damaged in the failure. Officials stated that this group of collapses brings the total to 21 since February 9.