Please consider submitting your abstract to our @agu.org session on Compound Events with invited speakers A. Mishra (Texas A&M) & R. Horton (@climate.columbia.edu). Submission Deadline: Aug. 5th Session Details: agu.confex.com/agu/agu26/pr... @iiasa.ac.at @lamont.columbia.edu

🗺️ Explore pioneering @lamont.columbia.edu geologist and cartographer Marie Tharp's groundbreaking 1977 World Ocean Floor map and discover how it transformed our understanding of the Earth. #MarieTharp Via State of the Planet: https://bit.ly/4wEglgS

🔥 New online professional learning course! The Science of Climate Change: Beyond the Basics with Columbia Climate School professor Radley Horton Understand climate science, extreme risks, and impacts to make better decisions in a changing world. ➡️ Enroll today with Columbia+: https://bit.ly/47NJDzv

Two of world’s most fire-prone regions have followed strikingly different wildfire trajectories despite both experiencing warming climate, and a Pacific ocean pattern helps explain it, finds new study led by @lamont.columbia.edu PhD / NASA GISS postdoc Tess Wei-Ping Jacobson: https://bit.ly/44XdzHx

In honor of Marie Tharp’s birthday, @vferrini.bsky.social—recently named the prestigious Marie Tharp Senior Research Scientist at @lamont.columbia.edu—discusses the geologist’s pioneering work and how it paved the way for her own collaborative efforts to map the ocean floor: https://bit.ly/3S0H3kO

New York State has joined a growing movement to make climate education a required part of K-12 learning, following years of student demand and widespread support from teachers and parents. Learn more via State of the Planet: https://bit.ly/4yEA0Pc

How can AI can support scientific research without undermining human judgment, ethics, or equity? This question is shaping an emerging effort at @lamont.columbia.edu led by climate scientist Marco Tedesco to think more deliberately about AI: https://bit.ly/4fDvDuX

Climate economist @gwagner.com of @columbiabusiness.bsky.social argues public climate finance should de-risk private investment, fund adaptation for vulnerable countries, and help multilateral development banks scale proven climate technologies faster. Via State of the Planet: https://bit.ly/4pNi698

Extreme heat, floods, wildfires are turning climate risks into economic shocks, disrupting food chains and global finance. Lisa Sachs, director of @ccsi-columbia.bsky.social and our MS in Climate Finance program, joins @www.cgtn.com to discuss addressing our climate reality. https://bit.ly/4bI0jKw

2026 extreme weather: How can we adapt to a new climate reality?

Around the globe, extreme heat, floods and wildfires are turning climate risks into economic shocks, disrupting food chains and global finance. Why do climate promises lag behind real action? Do nations spend too much on disaster recovery instead of pre...

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Columbia Climate School professor Radley Horton discusses global heat waves, Canadian wildfire smoke affecting the US, and other realities of extreme weather, climate change, and preparedness. Via Amanpour & Co. https://www.pbs.org/video/july-21-2026-eidw3b/

Amanpour and Company | July 21, 2026 | Season 2026

Chuck Hagel; Mark Pocan; Radley Horton; Adrian Wooldridge

pbs.org

Climate change is already reshaping our brains. How do we act earlier, build resilience, and change the trajectory for future generations, ask @lamont.columbia.edu climate scientist Marco Tedesco and neuroscientist and Neuro Climate Working Group founder Burcin Ikiz: https://bit.ly/4yBmKuP

“This is a welcome investment in what will have to be a much larger effort to address the growing problem of flooding in low-lying and coastal communities,” says Paul Gallay, director, Resilient Coastal Communities Project, @climate.columbia.edu. Via @nytimes.com. https://nyti.ms/4pFPEpF

Mamdani Commits $43 Million to Jump-Start Effort to Stop N.Y.C. Flooding

The money will go to an agency responsible for addressing the effects of climate change in the city, including the operation of flood gates.

nyti.ms

Data centers are straining Singapore's limited clean energy supply, but a proposed Sumatra-Singapore grid interconnection could help solve the problem, writes Aniruddha Jaydeokar of @ccsi-columbia.bsky.social. Via State of the Planet: https://bit.ly/3RqfCkf

Supporting Ebola response in DRC, new geospatial data from CIESIN in collaboration with GRID3 helps responders identify health facilities, locate settlements, and understand operational health boundaries. Via State of the Planet: https://bit.ly/3TBRpYK

On Aug 5 5:30-8:30pm ET, join us for the Harlem Week 2026 Climate Change Conference to explore creating a safer, healthier future for communities disproportionately affected by climate impacts. ➡️ Learn More/RSVP: https://events.columbia.edu/go/harlemweek2026

As wildfires continue spreading across eastern Canada, orange skies & smoky air have become a familiar part of summer in North America. Air quality expert @vfmcneill.bsky.social of @columbiaseas.bsky.social & @climate.columbia.edu explains our new normal and how to stay safe: https://bit.ly/4wSmi9H

Canadian wildfire smoke triggered an air quality alert in NYC ahead of the World Cup final, but climate scientist @dwesty.bsky.social of @lamont.columbia.edu says rain should clear conditions, with no major disruptions expected to the weekend's events. Via @reuters.com. https://bit.ly/4vvM2Yn

NYC air quality set to clear for World Cup final

YouTube video by Reuters

youtube.com

After work to clean up other sources of pollution in US, “big challenge” is wildfire smoke, says @dwesty.bsky.social of @lamont.columbia.edu, as exposure to high levels of air pollution over long period of time is demonstrated to lead to premature mortality. Via @wired.com. https://bit.ly/4vxTIti

How to Protect Your Health as Skies Fill With Smoke From Canada’s Wildfires

Roughly 100 fires are raging out of control in Ontario, sending smoke streaming 1,000 miles to the south and east.

wired.com

"The frequency and intensity of these wildfire smoke events are increasing," says climate scientist @dwesty.bsky.social of @lamont.columbia.edu, warning that the fires are becoming an annual occurrence and sometimes more than just annual. Via WNYC. https://wnyc.org/npr/nx-s1-5894857

There’s more to wildfire smoke than meets the eye, and what you can’t see can hurt you. Climate scientist @dwesty.bsky.social of @lamont.columbia.edu explains. Via @cnn.com. https://www.cnn.com/2026/07/17/weather/air-quality-wildfire-smoke-chemistry-brown-carbon

Why air quality can still be bad even if the sky doesn’t look smoky | CNN

The orange haze hanging over your house is, indeed, bad. But the chemistry of wildfire smoke doesn’t have to be visible to be threatening.

cnn.com

Corporate net zero “relies on a mistaken aggregation logic,” says @ccsi-columbia.bsky.social director Lisa Sachs, by assuming that if every company works to reduce, offset, or neutralize their own emissions, the efforts will sum up to global net zero. Via @heatmap.news. https://bit.ly/3RrptWN

Are We Too Obsessed With Carbon Accounting?

A new Searchlight Institute report joins a growing chorus arguing that corporate climate targets do more harm than good.

heatmap.news

Current approaches to climate action are failing to address the system-level changes that are needed, concludes a paper by @ccsi-columbia.bsky.social director Lisa Sachs. “Companies can’t decarbonize when the systems in which they’re embedded don’t.” Via @financialtimes.com. https://bit.ly/4w97T9f

Corporate climate scheme SBTi walks delicate tightrope with new rule book

Revised Corporate Net-zero Standard faces criticism over renewable energy rules

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How is nature finance evolving and what does this mean for global markets, policy, and investment strategy? @ccsi-columbia.bsky.social director Lisa Sachs joined LSEG and Green Finance Institute during London Climate Action Week to discuss. https://www.youtube.com/watch?v=ILVQ-IbXHfE&t=3213s

Show 4: How is nature finance moving from risk to resilience?

YouTube video by LSEG

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“The 2026 FIFA World Cup matches have introduced a true stress test of heat mitigation and preparedness. FIFA, spectators, stadium operators...were tested firsthand on the disruptions & complications,” says @jldevincenzo.bsky.social of @ncdp.bsky.social. Via @theguardian.com. https://bit.ly/4ps8wIi

Nearly one in five World Cup matches reached heat levels players’ union warns against

Guardian analysis finds 19% of games reached heat levels warranting delays, as Fifa defends its player safeguards

theguardian.com

Hawaii’s March 2026 flooding exposed more than damaged roads and homes. True recovery must prioritize local needs and long-term preparedness, writes MS Climate Finance student Priyal Patel. Via State of the Planet: https://bit.ly/4gF3u9a

European countries lead world in environmental outcomes but few are fully on track to meet net-zero emissions by 2050, finds 2026 Environmental Performance Index by Yale Center for Environmental Law & Policy, Columbia Climate's CIESIN, and Yale Center for Geospatial Solutions: https://bit.ly/4b1HC49

Some experts and advocates say the government’s push for liquefied natural gas is standing in the way of Puerto Rico's renewable energy goals, writes MA Climate & Society alum Andrea M. Falche Dominicci. Via State of the Planet: https://bit.ly/4fKt5LZ

Severe drought conditions combined with heat in Canada and the US have created “a perfect storm for really dry conditions to provide a lot of fuel for these wildfires to burn,” says climate scientist @dwesty.bsky.social of @lamont.columbia.edu. Via @apnews.com. https://bit.ly/3SWJGEz

Heavy smoke from wildfires blankets the US Midwest and Northeast, prompting evacuations

Thousands of visitors have been told to evacuate a remote Minnesota wilderness area because of wildfires sending heavy smoke across the U.S. Midwest and Northeast.

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Air pollution expert @dwesty.bsky.social of @lamont.columbia.edu discusses this summer’s wildfires and resulting air quality in New York City and beyond. Via State of the Planet: https://news.climate.columbia.edu/2026/07/16/wildfire-smoke-returns-what-to-know-about-this-weeks-air-quality/

Time for the regularly scheduled eastern US smoke event. See thread below and check out the latest here: www.airnow.gov/wildfires/

Wildfires Landing Page | AirNow.gov

Wildfire smoke is a mixture of air pollutants of which particulate matter is the principal public health threat. Although a large population can be exposed to smoke during a wildfire event, most healt...

airnow.gov

Dan Westervelt@dwesty.bsky.social · last yr.

Wildfire smoke is back across most of the eastern half of the US! It was this month 2 years ago that an exceptional smoke event blanketed NYC and much of the east coast, vaulting the story into national news. Here's a spotlight I did back then which is still relevant: www.curbed.com/2023/06/nyc-...