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There were 14 separate billion-dollar weather and climate disaster events in the U.S. in 2018—with a total cost of at least $91 billion. These costs will likely rise as the climate changes, researchers say.
Harmful overgrowths of algae—called algal blooms—are a problem in all 50 states. These blooms can hurt aquatic plants and animals by producing toxins, consuming oxygen, and limiting light penetration in the water.
The Chesapeake Bay Program (Bay Program) was created in 1983 when Maryland, Pennsylvania, Virginia, the District of Columbia, the Chesapeake Bay Commission, and EPA agreed to establish a partnership to restore the Chesapeake Bay.
Ammonium perchlorate (perchlorate) is a primary ingredient in solid rocket propellant and has been used for decades by the Department of Defense (DOD), the National Aeronautics and Space Administration, and the defense industry in the manufacturing, testing, and firing of rockets and missiles.
Invasive species--harmful, nonnative plants, animals, and microorganisms--are found throughout the United States and cause damage to crops, rangelands, waterways, and other ecosystems that is estimated to cost in the billions of dollars annually.
Before 1850, an estimated 16 million salmon and steelhead returned to the Columbia River Basin annually to spawn. Over the past 25 years, the number of salmon and steelhead returning to the Columbia River Basin has averaged only 660,000 per year although annual population levels have varied widely.