Economic risk is a nebulous term with a variety of definitions. In a nutshell, it is the risk that an endeavor will be economically unsustainable, for a variety of reasons ranging from a change in economic trends to fraudulent activities which ruin the outcome of the project.
The summer solstice arrives Sunday June 21. Those of us in the Northern Hemisphere know it as the longest day of the year.
Winter Solstice on December 21st: the longest night of the year. The shortest day of the year, the longest night occurs today, Sunday, December 21st. The so-called Winter solstice is an astronomical phenomenon that occurs in the North Hemisphere when the Earth North axis is at the longest distance to the sun.