In California's Central Valley, the oil industry has been dumping wastewater into unlined—and under-regulated—ponds, threatening the state's limited groundwater and the humans who rely on it.
Concerned citizens, scientists, and conservation groups have joined forces to protect what stopover spots remain for birds migrating from South America to the Arctic.
In Austin, Texas, and King County, Washington, private companies can now offset their carbon emissions by funding tree-planting in their local cityscape.
Congress will consider a bill requiring states to work with federal agencies to remove and remediate water contaminated with a dangerous chemical compound.
State agencies and environmental groups have recorded several breached or overflowing hog-waste pits and coal ash ponds—and the floodwaters are still rising.