https://www.keelingcurve.org/lto-insights daily 0.75 2025-03-03 https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/0b6c088b-8bb2-481b-a88e-430d9589ac51/pH+of+5.2+less+acidic.png https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/52b2f86d-0387-4932-93e5-9b60f20395b3/mohmed-nazeeh-jSgCHNQqEQ4-unsplash.jpg https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/e1b103f3-0e97-433a-bc05-6659725a176c/andy-feliciotti-oN_cUY1v7hs-unsplash.jpg https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/ec12ffa2-8bb7-4bc5-a003-24cc5dba1b43/1.jpg https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/1709710062733-CP0ZOP7N7SN33GF67QX7/raphael-rychetsky-f8Xv_KfROpo-unsplash.jpg https://www.keelingcurve.org/lto-insights/deeper-dive/value-of-watching-birds monthly 0.5 2025-03-03 https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/1709710062733-CP0ZOP7N7SN33GF67QX7/raphael-rychetsky-f8Xv_KfROpo-unsplash.jpg LTO Insights - The Value of Watching Birds Over Time - Make it stand out Photo: Raphael Rychetsky via Unsplash https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/1740019234495-8YXM9KRI7374YYGTIG9I/image-asset.jpeg LTO Insights - The Value of Watching Birds Over Time - Make it stand out Photo: Richard Lee via Unsplash https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/908b09e6-7b48-4a0a-9836-cf612d179ea0/AllObligates_web-e1664809080134-1280x752.jpg LTO Insights - The Value of Watching Birds Over Time - Make it stand out Breeding birds have experienced population loss over the last 50 years in all habitat groups except wetlands, which have been bolstered by conservation efforts. Source: NACBI 2022 State of the Birds Report https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/1740019771853-1CKSDHIHW3NNHCYEP9HO/image-asset.jpeg LTO Insights - The Value of Watching Birds Over Time - Make it stand out Photo: Joshua J. Cotten via Unsplash https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/95d734d9-d981-43dd-bb76-4674bb94c1eb/AdobeStock_73554787+resize.jpeg LTO Insights - The Value of Watching Birds Over Time - Make it stand out Photo: BCFC via Adobe Stock https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/0136870d-9ec4-4b22-a716-8cab1b8da04b/international-institute-of-tropical-forestry-integrating-forest-inventory-data-from-across-puerto-rico-and-the-us-virgin-island.jpg LTO Insights - The Value of Watching Birds Over Time - Make it stand out Community scientists observe and record bird sightings. https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/9974f6bc-2e03-4e7b-88f3-4269ddf722f3/christmas-bird-count-enlists-help-of-citizen-scientists.jpg LTO Insights - The Value of Watching Birds Over Time - Make it stand out Community scientists at the Audobon’s Christmas Bird Count https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/1740425881807-BQRIV1QIQYB7P1CFERQC/image-asset.jpeg LTO Insights - The Value of Watching Birds Over Time - Make it stand out Emperor penguins. Photo: Paul Carroll via Unsplash https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/1740425668937-ASJ4FWVD5YUNU7H2VY5J/image-asset.jpeg LTO Insights - The Value of Watching Birds Over Time - Make it stand out Burrowing owls. Photo: Zdeněk Macháček via Unsplash https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/1740425809335-C1RXT5C3TF08LIZJKLDK/image-asset.jpeg LTO Insights - The Value of Watching Birds Over Time - Make it stand out Nesting hummingbird. Photo: Nicolas Pratlong via Unsplash https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/1740425852282-GGIJX2RN1LXOGLB2O7HS/image-asset.jpeg LTO Insights - The Value of Watching Birds Over Time - Make it stand out Preening flamingo. Photo: Lieselot. Dalle via Unsplash https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/0f01fe61-9775-451b-9e30-2c97010ad38f/IMG_3321.JPG LTO Insights - The Value of Watching Birds Over Time - Make it stand out Annika holding Haggis the tawny owl in Edinburgh, UK. Photo: Dustin Hu https://www.keelingcurve.org/lto-insights/oceans-henley monthly 0.5 2024-08-30 https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/a5f6e68e-7668-469c-9854-b61ddaa15344/41586_2024_7672_Fig1_HTML.jpg LTO Insights - Coupling Historical Proxy Data with Instrumental Records in the Great Barrier Reef Reveals Highest Ocean Heat in 400 Years | Henley et al. 2024 - Make it stand out a–e, SSTAs (using ERSSTv5 data) for January–March in the Australasian region relative to the 1961–90 average for the five recent GBR mass coral bleaching years: 2016, 2017, 2020, 2022 and 2024. The black box shows the Coral Sea region (4° S–26° S, 142° E–174° E). f, Coral Sea and GBR mean SSTAs for 1900–2024 in January–March relative to the 1961–90 average. The black vertical lines indicate the five recent GBR mass coral bleaching years. Source: Henley et al. 2024 https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/5d942dcd-e4cd-4eb4-a6d4-8e1489d7423a/41586_2024_7672_Fig3_HTML.jpeg LTO Insights - Coupling Historical Proxy Data with Instrumental Records in the Great Barrier Reef Reveals Highest Ocean Heat in 400 Years | Henley et al. 2024 - Make it stand out Ranked January–March SSTAs for 1618–2024 relative to 1961–90 (coloured circles) from the best-estimate (highest skill, full coral network) reconstruction (1618–1899) and instrumental (ERSSTv5) data (1900–2024). The year is indicated by the colour of the filled circles. The 5th–95th-percentile uncertainty bounds of the pre-1900 reconstructed SSTAs are shown by small grey dots. The year labels indicate the warmest six years on record, five of which were mass coral bleaching years on the GBR. The pink (upper) dashed line indicates the 95th-percentile uncertainty bound of the maximum pre-1900 reconstructed SSTA; the red (lower) dashed line indicates the 90th-percentile limit. Source: Henley et al. 2024 https://www.keelingcurve.org/lto-insights/policy-hughes monthly 0.5 2024-07-08 https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/92c49993-22c2-4171-a360-5e8b86e0d124/four-plots.jpg LTO Insights - The Critical Role of Long-Term Environmental Studies in Informing Policy | Hughes et al. 2017 - Make it stand out The CDR-LTER project at Cedar Creek Ecosystem Science Reserve is an example of a long-term biodiversity-productivity experiment providing wide-ranging data. Credit: CDR-LTER; CC BY-SA 4.0 https://www.keelingcurve.org/lto-insights/nature-based-solutions-novick monthly 0.5 2024-06-03 https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/1715007915640-L7HDFM42OHEZ1D3WHO5W/image-asset.jpeg LTO Insights - Establishing an Evidentiary Basis for Nature-Based Climate Solutions | Novick et al. 2024 - Make it stand out An image of the Niger River in Western Africa flowing through a sea of sand. Source: USGS via Unsplash https://www.keelingcurve.org/lto-insights/protecting-critical-datasets-rosi monthly 0.5 2024-06-03 https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/1715007724928-DJN4W3DJOGWJDQG1FMJ7/image-asset.jpeg LTO Insights - Protecting Long-Term Datasets with World Heritage Status | Rosi et al. 2022, 2023 - Make it stand out Long-term cherry blossom records have documented climate change over centuries. Source: David Emrich via Unsplash https://images.squarespace-cdn.com/content/v1/64a9e501a36e774d64779e37/568e6ccf-2408-4fbc-9a06-fbbd331e4eae/environmental-data-sets-global-change.jpeg LTO Insights - Protecting Long-Term Datasets with World Heritage Status | Rosi et al. 2022, 2023 - Make it stand out Some environmental data sets that have proven especially useful in shaping scientific understanding of global change: ice cover in Lake Superior, the Keeling curve, nitrate concentrations in the River Thames, the acidity of precipitation at Hubbard Brook, the large moths survey collected in Rothamsted, U.K., and the timing of cherry blossoms in Kyoto, Japan. 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