Red water - nickel processing plant says cause is decades of contamination in Soviet times which company is working to overcome.

An obstruction has disconnected Morris Cove from ocean waters, preventing salmon from moving upstream.

Each state was warmer than average, record precipitation in the East

Atlin-based helicopter pilot Jamie Tait says a kilometre-long piece of ice recently broke off the Llewellyn Glacier, at the south end of Atlin Lake.

Wasatch Mountains near Payson, Utah are snow-free about a month earlier than normal.

Scientists are unsure if warming temperatures are causing the bizarre invertebrates to spread.

Maps and graphics show the extent of the devastating flooding caused by Hurricane Harvey in Houston and Texas.

Harvey has been devastating beyond Houston. Here's the latest.

The storm is not expected to relent until Wednesday afternoon.

For the past several weeks, monsoon-triggered floods have devastated regions in Nepal, Bangladesh and India. This week, a new series of storms has brought everyday life in Mumbai to a near halt.

Several factors have conspired to make Hurricane Harvey so destructive in Texas, and warming temperatures are likely part of the problem.

“Local rainfall amounts of 50 inches would exceed any previous Texas rainfall record. The breadth and intensity of this rainfall are beyond anything experienced before,” said a statement from the National Weather Service. “Catastrophic flooding is now underway and expected to continue for several days.”

Study calculates energy Harvey took from the ocean, shows human role.

The remnants of Harvey re-intensified into a hurricane on Thursday, and it may become a major hurricane by Friday.

Human adaptation to climate change there is not going well

From greenhouse gases to tropical cyclones, and from the South Pole to the Sahara, the 37th issue of the annual State of the Climate report catalogs the climate in 2016.

Severe permafrost thaw and erosion along Koyukuk River banks.

The records highlighted in the "State of the Climate in 2016 report from the National Oceanic and Atmospheric Administration sound ominous.

Deforestation and climate change appear to be amplifying droughts in the Amazon