全国の水道の放射能濃度

2023 was the year of record heat temperatures Humans have just experienced what will go down as the hottest year in recorded history -- so far -- as the planet experienced heating at an unprecedented pace. ABC News ABC News

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Throughout 2023, records for the warmest temperatures around the world were broken one by one. But record-eclipsing temperatures will no longer be an anomaly if greenhouse gas emissions that fuel global warming continue at the current pace, according to climate scientists.

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King Charles III's Christmas message reflects a coronation theme and calls for planet's protection King Charles III has reflected his coronation theme of public service y in a Christmas message that he connected to the health of the planet and wars that are raging. AP News

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New JN.1 COVID variant may be more contagious but less severe A new, fast-spreading variant named JN.1 now makes up 44% of all cases nationwide. Yahoo News

A new, fast-spreading variant named JN.1 now makes up 44% of all cases nationwide, more than doubling (21.3% vs. 44.2%) its share from the week before, according to the CDC COVID Data Tracker: Variant Proportions. ...

Flu and COVID infections are rising and could get worse over the holidays, CDC says U.S. health officials say flu and COVID-19 infections are expected to ramp up in the coming weeks. They say the increases will be fueled by holiday gathering, low rates of vaccinations and the latest version of the coronavirus that appears to spread more easily. AP News

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High levels of flu-like illnesses were reported last week in 17 states — up from 14 the week before, the Centers for Disease Control and Prevention said Friday.

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Reviews uncover no consistent link between antiviral drugs like Paxlovid and COVID rebound Igor Vershinsky / iStock CIDRAP

Two systematic reviews by US federal agencies on the possible link between antiviral treatment for COVID-19 and viral rebound—one specifically on Paxlovid—find no consistent association. The studies were published yesteray in Morbidity and Mortality Weekly Report.

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How 2023 changed the way states do climate policy Democrats used their newfound state power — and historic climate funding — to create what one expert called a "banner year for clean energy policy." E&E News by POLITICO E&E News by POLITICO

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XBB.1.5, BA.2.86, JN.1: How to understand the Covid-19 alphabet soup | CNN The virus that causes Covid-19 has more letters to describe its many derivatives than a bowl of alphabet soup. Jen Christensen CNN

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A virus like this one has a lot of different names because it is changing constantly, and scientists need a common language to talk about a specific version that they’re seeing in a particular community or that they’re working with to develop treatments, vaccines and tests.

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CDC director says U.S. isn't yet near peak Covid or flu levels for the season This winter's pattern is different from that of last year, when Covid, flu and RSV all peaked around the same time, Dr. Mandy Cohen told NBC News. NBC News

The U.S. is seeing a "sharp increase" in flu levels right now, particularly in the south, Cohen said Wednesday in an interview. Covid cases also appear to be climbing nationally, she said, while cases of respiratory syncytial virus, or RSV, seem to have reached their highest point this season.