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	As Hempstead Town prepares for this week&#39;s heat wave, Supervisor Don Clavin&nbsp;announces the opening of air-conditioned cooling centers and the extension of beach and pool hours across America&#39;s largest township.<br />
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Town of Hempstead preps for heat wave 

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ENVIRONMENT & CLIMATE CHANGE

Environment & Climate Change

A nationwide survey of lakes, rivers and creeks found toxic PFAS compounds in every location tested on Long Island — 13 in all. NewsdayTV's Shari Einhorn has more.

'How do we get rid of all these chemicals?'

Some of the largest water consumers in Suffolk are commercial customers. NewsdayTV's Shari Einhorn has more.

'Conservation is a shared responsibility'

Dozens of Long Island teachers received a tour of three wind farms on Saturday, including South Fork Wind, located about 35 miles from Montauk. Newsday energy reporter Mark Harington has more.

'This is not a farce'

Marine life experts said two juvenile humpback whales became stuck due to sandbars created in last month's nor'easter. NewsdayTV's Ken Buffa has more.

2 whales stranded on LI

A Newsday/Siena poll found that contamination of drinking water was a top concern among Long Island voters. NewsdayTV's Andrew Ehinger reports.

'Something that's top of mind today'

Long Islanders have experienced both savings and challenges from PSEG's time-of-day rates. Newsday energy reporter Mark Harrington has more.

Impact of PSEG's time-of-day rates

According a new report from the Rockefeller Institute there are nearly 13,000 service lines identified in the county so far. NewsdayTV's Shari Einhorn has more.

'I wouldn't want it in my home'

The coast was hit hard this weekend after a nor'easter swept through Long Island, NewsdayTV's Virginia Huie reports.

'You can't mess with Mother Nature'

On Wednesday, the state announced awards for eight new battery-energy storage plants, including two in Manorville and Holtsville, where opposition has been intense. NewsdayTV's Virginia Huie reports.

'It's dangerous'

The Long Island Sound water quality is improving, nonprofit Save the Sound says, but there's more to be done. NewsdayTV's Virginia Huie reports.

'Making the grade in many places'

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Extreme heat intensified by climate change is creating dangerous conditions for factory workers in Pakistan.

Pakistan's factory workers swelter in extreme heat as global brands fail on safety pledges

<a href="https://www.newsday.com/video/newsdaytv-top-stories">Get more on these and other NewsdayTV stories</a>

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