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Has Juvenile crime changed?

Rick Nevin provides updated graphs, one of the four posted here, in his post Update: Juvenile crime still falling fast in 2021 (4/2/2023). USA arrest rates by age have only been updated through 2020, but juvenile arrest data reported by 10 states (FL, TX, CA, NY, VA, TN, WA, SC, GA, NC) show the trend toward zero juvenile crime continued …

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What is the 2023 hydropower outlook?

The eia article Mixed water supply condition across western states affects 2023 hydropower outlook by Lindsay Aramayo (5/10/2023) has this to say Record-breaking rain and snow in parts of the western United States contribute to our forecast 72% rise in hydropower generation in California this year compared with last year, according to …

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What’s new as sustainabilitymath?

The calculus projects page has been updated with the most recent data available.  Most of the trends didn’t change but solar did and hence there were some changes in the countries used in the graphs. There is also an updated Excel curve fitting directions for those using Excel (consider using …

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When are simple-cycle natural gas turbines used?

The eia article U.S. simple-cycle natural gas turbines operate at record highs in summer 2022 by Mark Morey (3/1/2023) reports: The average monthly capacity factor for simple-cycle, natural gas turbine (SCGT) power plants in the United States has grown annually since 2020. Average capacity factors surpassed 20% for two consecutive …

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Has maternal mortality decreased?

The World Bank article Progress in reducing maternal mortality has stagnated and we are not on track to achieve the SDG target: new UN report by Emi Suzuki, Charles Kouame, and Samuel Mills (2/22/2023) provides an update on maternal mortality. The key summary: Globally, the MMR dropped by 34% between …

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How much crude oil will the U.S. produce?

According to the eia article U.S. crude oil production will increase to new records in 2023 and 2024 by  Matthew French, Alexander DeKeyserling, Naser Ameen (1/25/2023): …we forecast that crude oil production in the United States will average 12.4 million barrels per day (b/d) in 2023 and 12.8 million b/d …

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