Global

Covid-19 has changed and so has our immunity. Here’s how to think about risk from the virus now Experts say it’s less risky to catch Covid-19 than it used to be, but there are still good reasons not to treat it casually. Yahoo Life

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COVID markers continue rise in the US and globally Ladanifer / iStock CIDRAP

In the United States, a slow but steady rise in COVID activity continued over the past week according to the latest data from the Centers for Disease Control and Prevention (CDC), while at the global level, the World Health Organization (WHO) said today that indicators are up in three of six regions.

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The planet has broiled this summer, with July winning the unwelcome title of the hottest month since records began, in the nineteenth century. Indeed, climate scientists think that it was possibly the hottest month in the past 120,000 years. Given the rapid pace of climate change, however, July offered merely a taste of the heat to come. In 2015, world leaders established a goal to keep average global surface temperatures from rising 1.5 degrees Celsius above preindustrial temperatures in order to avoid the most catastrophic effects of climate change. In July, global temperatures breached that critical ceiling, if only briefly. Nearly 5,000 local heat and rainfall records were broken in the United States alone; globally, the number exceeded 10,000. And scientists anticipate that 2023 will clock in as the hottest year on record.