D. Yesilonis U.S. Department of Agriculture, Forest Service, Northern Research Station, Baltimore Field Station, Baltimore, MD, USA What Is an Urban Soil? The term "urban soil" was first used by Zemlyanitskiy (1963) to describe the characteristics of highly disturbed soils in urban ...
"Any time we're developing the land surface and building cities, there's gonna be some urban heat island effect," Smoliak said. "Urban heat islands occur when cities are warmer than the rural areas that surround them." He says dark materials like asphalt retain and re-emit heat from the ...
In the United States, the human population is not growing as fast as the rest of the world, but the expansion of urban areas has proportionally kept pace, or exceeded, global estimates, with land devoted to urban uses growing by more than 34% between 1980 and 2000 alone (USDA NRCS 2001...
19 Lonelinessisanabsenceofquality friendships,not of a particular quantity of friends.That?swhyit?simportanttoknowhowto selectafriend.The bestfriendshipsarethose basedonsimilarvaluesandattitudes. Yougetwhatyouexpect,soexpectthebest. Ifyouexpectotherstobefriendly,you willbehaveinsimilarways. 20 Itgoesaway...
Firstly though, there are two main interpretations of what constitutes an ‘urban forest’. The first looks at the sum of all urban trees; including those situated in parks or in streets, on both private and public land, and also considers orchards, hedges and other green spaces across the ...
Urban Dictionary网站对这一短语解释为：“看似只是说了显而易见的事儿，实则传递出了一种无能为力。”A phrase that seems to simply state the obvious but actually implies helplessness.Dictionary.com网站解释称，“It is what it is”用来形容“人们认为无法改变，只能接受的令人失望或颇具挑战的局面。”It ...
An important aspect of urban farming is understanding the competition. This involves visiting existing urban farms, understanding their business models, and learning from their experiences. How do they grow their produce? What unique selling points do they have? This gives you an idea of how your...
Urban sprawl is typically seen as a legacy of the growth of the suburb in America. In cities such as Chicago and Los Angeles, each new suburb required the development of vast tracts of land, often fertile farmland. Critics argued that the low-density housing typical of American suburbs was ...
特朗普说的“It is what it is”为何会引发普遍反感呢?这还要从这句话的意思和实际用法说起。 Urban Dictionary网站对这一短语解释为:“看似只是说了显而易见的事儿,实则传递出了一种无能为力。” A phrase that seems to simply state the ...
根据文中My group helped build an urban garden in a neighborhood that had all the same problems as mine. I realized we could make a difference at home too,可知作者发现新奥尔良和他的家乡有同样的问题,需要改变,所以都是不安全的。故选D。 根据文中It's given people something positive to do. ...