Associate Professor of Planning, Distinguished Scholar, & Director of the Heat Resilience Initiative at the University of Arizona, Tucson AZ | Climate change and heat planning, policy, and governance 🏜️🏳️‍🌈 https://laddkeith.comhttps://bsky.app/profile/laddkeith.comhttps://bsky.app/profile/laddkeith.com/post/3mkvbm3yhm22uHumanity will likely experience new record-breaking extreme heat across the world this year due to the combination of cliamte change and the strong El Niño forming. This is our heatshed moment to act! https://www.tandfonline.com/doi/full/10.1080/07352166.2025.2526490#d1e228 #climatechange #extemeheat #heatresilience [contains quote post or other embedded content]02 May 2026 18:30 +0000at://did:plc:igku2caksrtafwtldg3de3e6/app.bsky.feed.post/3mkvbm3yhm22uhttps://bsky.app/profile/laddkeith.com/post/3mkos76edjc2s📢 This is our “heatshed” moment. Check out my new commentary with @sarameerow.bsky.social in the Journal of Urban Affairs' special issue on Extreme Heat in Cities. https://doi.org/10.1080/07352166.2025.2526490 #extremeheat #heatresilience #heatplanning #heatgovernance #climatechange30 Apr 2026 04:38 +0000at://did:plc:igku2caksrtafwtldg3de3e6/app.bsky.feed.post/3mkos76edjc2shttps://bsky.app/profile/laddkeith.com/post/3mkh6rbstwc2x"The Trump administration on Friday dismissed members of an independent board that oversees the National Science Foundation, which finances much of the public scientific research in the United States." https://www.nytimes.com/2026/04/25/us/politics/trump-fires-board-members-scientific-research-group.html #science #nsf27 Apr 2026 04:02 +0000at://did:plc:igku2caksrtafwtldg3de3e6/app.bsky.feed.post/3mkh6rbstwc2xhttps://bsky.app/profile/laddkeith.com/post/3mk7jdtxrp22nCelebrated Earth Day with an inaugural documentary screening and panel discussion with Kathy Jacobs and Fatima Luna at the new @azpm.org building this week.24 Apr 2026 02:50 +0000at://did:plc:igku2caksrtafwtldg3de3e6/app.bsky.feed.post/3mk7jdtxrp22nhttps://bsky.app/profile/laddkeith.com/post/3mk4dtbwn3c2nCheck out our @heatresilience.bsky.social April newsletter! [contains quote post or other embedded content]22 Apr 2026 20:33 +0000at://did:plc:igku2caksrtafwtldg3de3e6/app.bsky.feed.post/3mk4dtbwn3c2nhttps://bsky.app/profile/laddkeith.com/post/3mjal4ir2xs2tHonored to receive the @uarizona.bsky.social's Convergence Award for Excellence in Applied Research and Engineering! https://research.arizona.edu/convergence-awards #uarizona #research11 Apr 2026 19:29 +0000at://did:plc:igku2caksrtafwtldg3de3e6/app.bsky.feed.post/3mjal4ir2xs2thttps://bsky.app/profile/laddkeith.com/post/3mhxuxl7loc2pNew co-authored open access paper out on the role of public health during wildfires. https://doi.org/10.1007/s10393-026-01784-8 #publichealth #wildfire #climatechange26 Mar 2026 15:06 +0000at://did:plc:igku2caksrtafwtldg3de3e6/app.bsky.feed.post/3mhxuxl7loc2phttps://bsky.app/profile/laddkeith.com/post/3mhnsg5rdrk2gOkay, we can do better than this Arizona: "Officials confirmed that more than 400 patients were contacted by medical personnel at Luke Days on Saturday." https://www.abc15.com/news/local-news/over-400-people-treated-25-hospitalized-from-heat-related-illnesses-at-luke-days #heatwave #extremeheat22 Mar 2026 14:54 +0000at://did:plc:igku2caksrtafwtldg3de3e6/app.bsky.feed.post/3mhnsg5rdrk2ghttps://bsky.app/profile/laddkeith.com/post/3mhh2c6pxxk27It's hot out there! Tucson just broke our earliest 100°F on record today, previously set on April 11, 2025. Average first 100°F is supposed to be mid-May. Surface temperatures are much higher of course, this was a random reading of an asphalt road I took. #heatwave #azwx #extremeheat19 Mar 2026 22:26 +0000at://did:plc:igku2caksrtafwtldg3de3e6/app.bsky.feed.post/3mhh2c6pxxk27https://bsky.app/profile/laddkeith.com/post/3mh7mqyvjrs2rNew co-authored open access @discover.springernature.com paper on a cool pavement pilot project in Tucson and its impact on pedestrian-level heat stress. https://link.springer.com/article/10.1007/s44327-026-00211-5 #uarizona #uazresearch #extremeheat #heatresilience #coolpavement16 Mar 2026 23:35 +0000at://did:plc:igku2caksrtafwtldg3de3e6/app.bsky.feed.post/3mh7mqyvjrs2rhttps://bsky.app/profile/laddkeith.com/post/3mgxjr572lc24This will set back American science for a generation or more and put our national security at risk. https://www.nytimes.com/2026/03/13/climate/ncar-breakup-plan-nasa-noaa.html #science #climatescience #ncar13 Mar 2026 18:20 +0000at://did:plc:igku2caksrtafwtldg3de3e6/app.bsky.feed.post/3mgxjr572lc24https://bsky.app/profile/laddkeith.com/post/3mgtkcmcw4226Major heatwave heading to the Southwest next week - Tucson could see it's first 100°F almost a month earlier than the previous record set last year. #extremeheat #climatechange [contains quote post or other embedded content]12 Mar 2026 04:20 +0000at://did:plc:igku2caksrtafwtldg3de3e6/app.bsky.feed.post/3mgtkcmcw4226https://bsky.app/profile/laddkeith.com/post/3mgkrdehchc2aWrapped up the @nationalacademies.org Frontiers of Science symposium this weekend as a FoS Fellow, what a fantastic event! Leaving with new ideas and colleagues at the forefront of U.S. science. #science #nasfrontiersofscience08 Mar 2026 16:31 +0000at://did:plc:igku2caksrtafwtldg3de3e6/app.bsky.feed.post/3mgkrdehchc2ahttps://bsky.app/profile/laddkeith.com/post/3mfu4cxb7z22fHonored to be selected as a @nasonline.org Frontiers of Science (FoS) Fellow and serve as an introductory speaker for the heat and human health panel during next week's FoS Symposium! https://news.arizona.edu/news/u-heat-policy-experts-present-annual-frontiers-science-symposium #extremeheat #heathealth #science #NAS #FrontiersofScience27 Feb 2026 16:17 +0000at://did:plc:igku2caksrtafwtldg3de3e6/app.bsky.feed.post/3mfu4cxb7z22fhttps://bsky.app/profile/laddkeith.com/post/3mf5nhsnftc22"There's not any other city in the US that's doing a continual heat summit like this with the range of partners that we have, so I think that's something to be really proud of. That said, of course, we still have a lot more work to do which is why we're all here." https://news.arizona.edu/news/southern-arizona-heat-summit-highlights-youth-voices-while-helping-tucson-prepare-extreme-heat18 Feb 2026 17:52 +0000at://did:plc:igku2caksrtafwtldg3de3e6/app.bsky.feed.post/3mf5nhsnftc22https://bsky.app/profile/laddkeith.com/post/3meydqevulk2j"The US National Science Foundation said on Thursday that the management and operations of a supercomputer used by more than 4,000 climate and weather scientists across the country would be transferred from a leading research lab to an undisclosed third party." https://www.nytimes.com/2026/02/13/climate/derecho-supercomputer-ncar.html #NCAR16 Feb 2026 15:15 +0000at://did:plc:igku2caksrtafwtldg3de3e6/app.bsky.feed.post/3meydqevulk2jhttps://bsky.app/profile/laddkeith.com/post/3meydcggzus2g"If the E.P.A.’s decision holds, it could increase the country’s greenhouse gas emissions by 10 percent over the next 30 years" @nytimes.com https://www.nytimes.com/2026/02/16/climate/endangerment-finding-auto-emissions-regulations.html #climatechange16 Feb 2026 15:07 +0000at://did:plc:igku2caksrtafwtldg3de3e6/app.bsky.feed.post/3meydcggzus2ghttps://bsky.app/profile/laddkeith.com/post/3megrliaa5k2gNew co-authored paper out where we find heat-related emergency medical service activations increased 65% from 2019 to 2024 across the U.S. https://jamanetwork.com/journals/jama/fullarticle/2844697?guestAccessKey=65fc7f79-6a23-4c7b-a069-e3f3532a9ff2&utm_source=jps&utm_medium=email&utm_campaign=author_alert-jamanetwork&utm_content=author-author_engagement&utm_term=1m #heathealth #extremeheat #heatresilience [contains quote post or other embedded content]09 Feb 2026 15:35 +0000at://did:plc:igku2caksrtafwtldg3de3e6/app.bsky.feed.post/3megrliaa5k2ghttps://bsky.app/profile/laddkeith.com/post/3mdb2zvxffc26"After the past three weeks of brutality in Minneapolis, it should no longer be possible to say that the Trump administration seeks merely to govern this nation." https://www.nytimes.com/2026/01/24/opinion/state-terror-has-arrived.html?unlocked_article_code=1.HFA.e6jB.2iuH4WgZ9euh&smid=bs-share25 Jan 2026 15:43 +0000at://did:plc:igku2caksrtafwtldg3de3e6/app.bsky.feed.post/3mdb2zvxffc26