On #WorldOzoneDay we celebrate the Montreal Protocol—proof that science + global action = success 🌍✨

Xiaofang Zhou, @UNDP Chemicals and Waste Director, reflects on how this treaty safeguarded people and planet and why it still matters today

Read here: https://t.co/Ou0JozxG1O https://t.co/gpZK1Iy657

UNDP Planet

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NHC Tropical Weather Outlook (Tuesday, September 16, 2025)

NHC Warning Coordination Meteorologist Robbie Berg and Senior Hurricane Specialist John Cangialosi provide an update on the tropics for Tuesday, September 16, 2025.

Visit https://t.co/tW4KeGe9uJ for the latest. https://t.co/2lDSHF5mkn

National Hurricane Center

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📣 Calling journalists in #Canada 🇨🇦, #UnitedStates 🇺🇸, & #LatinAmerica: Join our regional media briefing❗️

➡️ The #CopernicusMarine #OceanStateReport 9 reveals ocean temperatures 🌡️ reached record-highs in 2022-2023

📅 23 September
🕓 16:00 – 17:00 CEST https://t.co/lIp6h4VxI3

Copernicus Marine

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A strong low-pressure system brings moisture that leads to heavy precipitation across southeast Alaska. Observed over the past 24 hours by a combination of polar-orbiting, geostationary and GPS satellites. https://t.co/GavzvjQ5dt

CIRA

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.@NOAA’s #SWFOL1 is gearing up for launch with mission rehearsals! This helps ensure mission success and that the team is ready to respond to changes with speed and agility.

Read about the journey on our Mission to Launch:
https://t.co/OedXzx44ZZ
#LetsGoSWFO #SWFOLaunch https://t.co/zJR8UiHtRZ

NOAA Satellites

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Cities and industries are under increasing pressure from urban growth, pollution & demand on freshwater.

The @WorldBank Group’s #ScalingWaterReuse report shows how reuse can provide a sustainable supply while strengthening urban resilience.

🔗 https://t.co/WUB6tuvfQ5 https://t.co/8rEjYZuPr0

World Bank Climate

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A slow-moving coastal low brings heavy rain to the Mid-Atlantic states today. https://t.co/r8wjJT0ZYh

CIRA

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Electricity powers modern life. Powerful storms on the Sun and on Earth can pose risks to power grids and tech we rely on. We're helping power grids stay strong by forecasting severe weather & solar storms while guiding smarter infrastructure design. 💡
https://t.co/Yi3g84yqUi https://t.co/HLpydVeYcH

NSF National Center for Atmospheric Research

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Landsat data access will be interrupted from 7 a.m. to 6 p.m. Central on Wednesday, September 24, 2025, because of extended maintenance being performed on data tools, including EarthExplorer. Cloud Direct Access will remain available. Details: https://t.co/rq5SnXgwB0 https://t.co/IUFU7T4QRP

USGS Landsat

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Smoke drifts from the Garnet Fire in California this morning.

Following a recent period of favorable weather and firefighting efforts, the Garnet Fire is now 85% contained. https://t.co/SBJGXJvsmM

CIRA

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RT @NASAScience_: What will it take to find life beyond Earth?

Ultra-stable space telescopes.

@NASA and ALLVAR are working together on a breakthrough material that could make telescopes 1,000x more stable, opening new doors in the search for habitable worlds.

🔗 https://t.co/2lYZSOpFLa https://t.co/LkhVgFGaNb

NASA Technology

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Meet Nikola Alexandra, @ConservationOrg vice president of Nature Fund Advisory & 2025 #Grist50 honoree, who is building a generation of forest stewards.

He’s taking lessons learned from local forest restoration & working to scale them around the world. https://t.co/xUxACMV5t4 https://t.co/Hn0WbyavZR

Conservation Intl

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🌩️Did you know that THUNDERSTORMS can trigger ASTHMA ATTACKS?

By understanding hazards and their effects, we can manage risks better. A shared agreement on the definitions of hazards means we can communicate & share knowledge.

Discover 281 hazards 👉 https://t.co/4eWTS2jPoa https://t.co/pGfrZQj7ja

UNDRR

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