Seventy-one countries and territories worldwide reported a total area of 45.4 million ha of agroforestry in 2020, mostly in Asia (31.2 million ha) and Africa (12.8 million ha) (there was also an estimated 1.28 million ha of agroforestry in North and Central America). In the 54 countries ...
Discusses the problem of population explosion in Central America from a U.S. perspective. Rise of population by a factor of seven; Increasing number of children and shrinking economies; Demographic history that is typical of Third World regions; Dwindling natural resources; Urbanization; Struggle of...
This paper examines the demographic situation in Mexico and Central America (Meso-America) and looks at the momentum for growth implied by recent population shifts. Despite successes in reducing fertility levels in many Meso-American countries, the dramatic declines in mortality among infants and child...
As America's population ages, economic research related to the elderly becomes increasingly important to public policy. Frontiers in the Economics in Aging... DA Wise - University of Chicago Press 被引量: 45发表: 1998年 OLD-AGE SUPPORT SYSTEM AND POLICY REFORM IN CHINA "With the on-going ec...
The 10 Best States in America The best states in the nation shine especially in the areas of crime and corrections, infrastructure and natural environment. Elliott Davis Jr.May 7, 2024 Why Utah Is the Best State Consistency was key in Utah’s return to the top of the Best States rankings...
Harvard University’s Hasty Pudding Theatricals has named “Wicked” star Cynthia Erivo as its 2025 Woman of the Year Associated PressJan. 21, 2025 New York Governor Proposes Banning Cellphones in Schools Starting Next Fall Students throughout New York state might have to give up their cellphone...
Canada, the second largest country in the world in area, occupying roughly the northern two-fifths of the continent of North America. Despite Canada’s great size, it is one of the world’s most sparsely populated countries. It has crafted what many cons
South America - Population, Ecology, Distribution: The present population of South America is the result of four centuries of mixture among those four components—American Indians, Iberians, Africans, and more recent overseas immigrants—and their descen
After surpassing Baby Boomers as the largest generation group, Millennials now make up a major part of the U.S. population, although Gen Z is catching up fast.
as the population has grown, the water supply from the local Los Angeles River became limiting and the city began to import water from hundreds of kilometers away, including the Owens Valley in 1913, Mono Basin in 1940, the Colorado River in 1941, and the rivers of the Central Valley in...