Furthermore, the Colorado River, located in the state of Colorado in the United States of America has been decreasing due to a lack of rainfall, which mainly feeds this river. Millions of people from other states rely on the Colorado River, including those in Arizona, California, New Mexico, Nevada, Utah, and Wyoming. China, also has seen thousands of its rivers disappear, according to a recently published Bulletin of First National Census for Water in China.
Many scientists believe that a severe reduction in annual rainfall is due largely to the absence of adequate reforestation projects. Drier air causes water to evaporate more rapidly. Even standing water disappears in some regions. The Island of La Gonâve, one of Haiti’s largest,…show more content… Although the following statistics do not show any negative effects on the forests in the United States of America, without aggressive efforts to plant trees each year, the population will eventually experience the side effects of less tree production. According to the U.S. Forest Products Industry Statistics:
• Of America 's 2.263 billion acres, forests cover 747 million acres (33 percent of the land base).
• More than 244 million acres of federal land are set aside by various government agencies.
• The U.S. contains 5 percent of the Earth 's forest cover.
• Despite a 143 percent increase in population, the U.S. has about the same area of forestland today as it did in 1920.
• The volume of wood in U.S. forests is about 25 percent greater today than it was 40 years ago.
• Each year, 1.5 billion new trees are planted in the U.S. That 's more than five seedlings for each American and 2,000 for every bear.
• U.S. forest planting currently averages about 2.4 million acres per year.
• Annual forest growth has consistently exceeded harvest rates in the U.S. since the 1940s.
• Forests of the Southern U.S. (from eastern Texas to northern Florida) have the highest biodiversity of any forests in North America.
• Over the past decade, the U.S. forest products industry has spent more than $100 million on wildlife and environmental research.
• The U.S. forest products industry employs