Ben Affleck and Matt Damon are teaming up to produce the HBO movie Thirst about the global water crisis

They have been working together on and off ever since they co-wrote and co-starred in the drama Good Will Hunting in 1997.

Now Ben Affleck and Matt Damon have added another project to their combined slate.

The Oscar winners will produce the HBO movie Thirst, which is set against the backdrop of the global water crisis, Deadline reported Friday.

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These guys can't quit each other! Ben Affleck and Matt Damon have added another project to their combined slate, Thirst. The Oscar winners will be producing the movie about the global water crisis for HBO, Deadline reported Friday; here they are seen in November

These guys can't quit each other! Ben Affleck and Matt Damon have added another project to their combined slate, Thirst. The Oscar winners will be producing the movie about the global water crisis for HBO, Deadline reported Friday; here they are seen in November

'We are extremely pleased to continue our collaboration with Matt and Ben,' HBO Programming president Michael Lombardo said.

'As two of today’s most gifted filmmakers, they are once again using their cinematic talents to bring awareness to this pressing global issue.'

The project is in development.

Praise: 'We are extremely pleased to continue our collaboration with Matt and Ben,' HBO Programming president Michael Lombardo said. 'As two of today’s most gifted filmmakers, they are once again using their cinematic talents to bring awareness to this pressing global issue'; here they are together in August

Praise: 'We are extremely pleased to continue our collaboration with Matt and Ben,' HBO Programming president Michael Lombardo said. 'As two of today’s most gifted filmmakers, they are once again using their cinematic talents to bring awareness to this pressing global issue'; here they are together in August

It will be written by Charles Leavitt (Blood Diamond) and directed by Elliott Lester (Blitz). 

'Both Elliott and Chuck are creative forces who bring an extraordinary vision to the material and we are very excited to be a part of it,' Damon and Affleck said.

Damon and Affleck have already worked with HBO on their reality series Project Greenlight.

Golden boys: They have been working together on and off ever since they co-wrote the drama Good Will Hunting in 1997

Golden boys: They have been working together on and off ever since they co-wrote the drama Good Will Hunting in 1997

They got off to a great start: The actors also won Golden Globe Awards

They got off to a great start: The actors also won Golden Globe Awards

Damon has a keen interest in water.

As the founder of water.org he has spread the word about the lack of clean drinking water.

'As a guy who has four daughters, this is a huge issue for women and girls: girls are often left to leave school and go find water, and that obviously has a huge impact on the quality of life they can expect to have,' he said on his site.

The fam: Affleck has been in the news all summer for his split from wife of 10 years Jennifer Garner; here they are seen on Monday

The fam: Affleck has been in the news all summer for his split from wife of 10 years Jennifer Garner; here they are seen on Monday

Affleck has been in the news all summer for his split from wife of 10 years Jennifer Garner.

Their breakup got worse when a report surfaced that he had started a romantic relationship with the nanny to his three children Violet, aged nine, Seraphina, aged six, and Samuel, aged three. Affleck's team said the report was 'garbage.'

This week the two seem to be getting along well as they were seen in a car together, at a farmers market and also at Nobu in Malibu. 

People has claimed that the two will not reconcile, however. 

A strong woman: Their breakup got worse when a report surfaced that he had started a romantic relationship with the nanny to his three children Violet, aged nine, Seraphina, aged six, and Samuel, aged three

A strong woman: Their breakup got worse when a report surfaced that he had started a romantic relationship with the nanny to his three children Violet, aged nine, Seraphina, aged six, and Samuel, aged three

He's a machine! Damon with Kristen Wiig, Jessica Chastain and Kate Mara at The Martian premiere in London on Thursday

He's a machine! Damon with Kristen Wiig, Jessica Chastain and Kate Mara at The Martian premiere in London on Thursday

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