the most important environmental problem
31problem — {{Roman}}I.{{/Roman}} noun 1 sth that causes difficulties ADJECTIVE ▪ acute, big, enormous, grave, great, huge, important, major, serious, significant …
32Future Problem Solving Program International — The Future Problem Solving Program International (FPSPI), formerly known as the Future Problem Solving Program (FPSP), is an international academic competition. Over 250,000 students internationally participate in the Future Problem Solving… …
33National Registry of Environmental Professionals — The National Registry of Environmental Professionals (NREP) is a the largest U.S. non governmental environmental accrediting organization, and is recognized by the US Department of Energy and Environmental Protection Agency. NREP has about 12,000 …
34Word of the year — The word(s) of the year, sometimes capitalized as Word(s) of the Year and abbreviated WOTY or WotY, refers to any of various assessments as to the most important word(s) or expression(s) in the public sphere during a specific year. Contents 1… …
35Mining in the Upper Harz — The headframe of the Emperor William Shaft in Clausthal is one of the oldest surviving winding towers in Germany …
36Most — For other uses, see Most (disambiguation). Coordinates: 50°30′11″N 13°38′12″E / 50.50306°N 13.63667°E / 50.50306; 13.63667 …
37The Handmaid's Tale — For the film adaptation, see The Handmaid s Tale (film). For the operatic adaptation, see The Handmaid s Tale (opera). The Handmaid s Tale   …
38History of the European Communities (1945-1957) — The history of the European Communities between 1945 and 1957 saw the first moves towards European unity as the first bodies began to be established in the aftermath of the Second World War. In 1951 the first community, the European Coal and… …
39Introduction to the Global Positioning System — The Global Positioning System (GPS) is the only fully functional Global Navigation Satellite System (GNSS). The GPS uses a constellation of between 24 and 32 Medium Earth Orbit satellites that transmit precise microwave signals, that enable GPS… …
40The commons — Commons redirects here. For other uses, see Commons (disambiguation). The commons is terminology referring to resources that are owned in common[1] or shared between or among communities populations. These resources are said to be held in common… …
