GAO’s reports and testimonies give Congress, federal agencies, and the public timely, fact-based, non-partisan information that can improve government operations and save taxpayers billions of dollars.
Extreme weather related to climate change potentially threatens utilities that produce drinking water and treat wastewater.
We examined federal technical and financial assistance to make such infrastructure more resilient to extreme weather and asked experts about additional options.
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.
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.