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

The devastating storm once known as Hurricane Harvey, already the biggest rainstorm in the history of the continental United States, delivered another punishing wave of rain Wednesday to Texas and Louisiana.

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.

“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.”

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

While it researches long-term solutions, Iqaluit is looking at small fixes, like flexible pipe connectors, to stop pipes from breaking and leaking.

Looking at a map of Arctic Canada, it seems there are literally thousands of lakes and rivers, yet many Arctic communities are facing water shortages or threats of shortages to come. Iqaluit, capital of Nunavut Territory, will be facing that problem in the very near future.

Andrew Medeiros (PhD)

The Okanagan Indian Band is advising residents to not enter or consume water from the north arm of Okanagan Lake until further notice due to a toxic algae bloom.

Without action, the supply of fresh water in Iqaluit will begin to dwindle by 2024 due to climate change and increased demand, new research has found.

Goldfish Lake near Port Heiden is on the verge of draining into the Bering Sea.

Residents associated poor well water quality with earthquakes.

Sweden's towns, villages and cities have been warned to plan for emergency water deliveries and hosepipe bans in a letter from nine Swedish agencies.

The City of Ottawa has advised residents affected by flooding to throw out many household items that have come into contact with flood water.

Heavy rain and winter runoff in the month of May has affected more than people's homes along the Ottawa River. The river itself, often polluted with sewage overflow after a day or two of heavy rain, has had to absorb more than 600-million litres over the past week alone.

Residents who get their water from wells in areas affected by flooding should get their water tested before drinking it, and should check well pumps for damage, Ottawa Public Health is recommending.

On Monday city officials said more than 300 homes near the Ottawa River have been affected by severe spring flooding.