Colorado Gov. John Hickenlooper is planning on spending $500,000 to clean up the wastewater breach on Animus River.
The dead zone, which is caused by the overuse of farmland fertilizers, is the size of Connecticut and Rhode Island combined.
An evacuation has been ordered for some residents in Pasco County, Florida, after major flooding threatened the area.
It is impossible to determine a single requirement for everyone, since recommendations depend on diet, weather and level of physical activity.
It allegedly took more than 2,000 acre-feet of water.
The United Nation's children's fund warned that the ongoing cholera outbreak in South Sudan could claim a devastating number of lives if it spreads to war-torn areas.
"I felt so hot, I was vomiting," an elderly man told CNN. "I felt weak and my heart sank."
Greece's tourism industry has flourished despite the country's ongoing economic turmoil.
Two new studies have shed light on the precarious condition of the planet's largest aquifers.
With a drought looming, a spokesman for rice farmers says they will ignore government instructions and begin planting.
One-third of China's surface water was also graded unsuitable for direct human contact in a 2014 report released by the Chinese Ministry of Environmental Protection.
Growers who agree to a proposal approved Friday can choose to cut consumption or let fields lay fallow. But the plan might not have much impact.
There are 47 political parties and 5,819 candidates in Ethiopia's national elections Sunday, but the vote will likely be anything but democratic.
Hundreds of flights were delayed and many others were cancelled after heavy rain inundated parts of southern and central China.
After a port visit to Russia's Black Sea commercial port of Novorossiysk, joint Russian-Chinese naval exercises begin Thursday in the Mediterranean.
Heavy rainfall and flash floods in Nairobi over the past month have resulted in the spread of cholera in overcrowded areas.
At least 15 bodies were recovered from floodwaters and many more people were still missing, local media reports said.
Over the past century, large-scale commercial fishing has depleted around 90 percent of global stocks.
Federal scientists have identified 17 areas across eight states that have seen a substantial rise in man-made earthquakes since 2000.
The new draft restrictions will be considered next month and seek to cut usage by as much as 36 percent.
Defense ministry officials say Libyan security forces likely approached the vessel, but a Sicilian fishing trade group believes otherwise.
Food and water have been scarce along the Omo River since work began on the Gilgel Gibe III project. The U.N. plans an assessment.