This was taken at midday in Toronto. The smoke is so bad the streetlights are on. Climate change is super-charging wildfires. There are mitigating forest management measures we can take but ultimately the only solution is global decarbonization. That means weaning the world off fossil fuels.

After 10 years covering the global Arctic, commodities and climate, and serving as Toronto bureau chief, I have left @bloomberg.com More to come and on LinkedIn. www.linkedin.com/posts/daniel...

Recent US threats against Greenland may have cooled but so, inevitably, has the bilateral relationship. Climate science is feeling the effects. @bloomberg.com www.bloomberg.com/news/article...

Text transcript of Mark Carney's address to Davos courtesy of The CBC. If anyone doubts the weight of this moment in history... www.cbc.ca/news/politic...

An era of 'global water bankruptcy' has begun, says a new UN report. Humans are squandering and mismanaging freshwater resources -- even as climate change drives up demand and makes the availability of fresh water less predictable. @bloomberg.com www.bloomberg.com/news/article...

Interviewed @kovrig.bsky.social for this analysis of the Carney-Xi handshake seen around the world. Scotiabank economist Derek Holt described the Carney era like this: "Commerce is in charge now" With Ottawa bureau chief @ldhillonkane.bsky.social & senior reporter @daniellebochove.bsky.social

Heat and greenhouse gas pollution rise in lock-step — until 2023, when the thermostat goes bonkers. 🎁🔗 The 2025 climate numbers are in. www.bloomberg.com/news/feature...

The EPA will no longer calculate the monetary value of saving human lives, among other health impacts, when setting new clean air rules. It quietly debuted this new approach in a version of a new final rule for power plant emissions published online last week. www.bloomberg.com/news/article...

Having completed his 5-year term as Canada's UN ambassador in November, Bob Rae has been forthright about the implications of America's National Security Strategy on global peace and security. He spoke to Bloomberg at length. Gift link: www.bloomberg.com/news/article...

The Arctic's hottest year on record is just one of the grim milestones in the 2025 report card on the region by @noaa.gov We have the solutions. Wishing for a 2026 tailwind for everyone working to move them forward. @bloomberg.com www.bloomberg.com/news/article...

A property developer in Canada said bankers pulled out of financing a new building because of a landmark court ruling that recognised Indigenous rights over about 800 acres of land near Vancouver Gift link:

This week @stevenguilbeault.bsky.social, a respected politician and former climate activist who resigned from Mark Carney's cabinet last week, sat down with @akshatrathi.bsky.social to talk about climate policy in Canada. Full podcast included in gift link www.bloomberg.com/news/article...

Prime Minister Mark Carney’s move to placate Alberta with an oil pipeline deal is emboldening a resurgent separatist movement in Quebec. Interview with ex-cabinet minister Steven Guilbeault @akshatrathi.bsky.social and @nojoudalmallees.bsky.social www.bloomberg.com/news/article...

The 2nd installment of our global carbon sinks series...

New from me: I spoke to two scientists who originally helped spread the use of carbon capture. They now say it's being misused. Here's why (gift link):

Breaking: As the US moves to license deep sea mining, new research finds that extracting critical metals from the seabed generates waste that endangers tiny marine organisms that form the basis of a vast food web, threatening fisheries people depend on. Free link. www.bloomberg.com/news/article...

What's all the COP fuss about? Two months ago I set out to find what COPs achieved. The answer was in the data: a $10 trillion wave of green investment that's starting to change things. As Laurence Tubiana told me: "The train has left the station" FREE read: www.bloomberg.com/graphics/202...

JOIN THE CONVERSATION: Around 150 countries will gather in Brazil for the COP30 climate summit. What are the key results negotiators are aiming for — and how could talks break down? Bloomberg journalists answer your questions today at 1 p.m. EST. Stream: bloom.bg/3Ji78rn

I recently went to Prudhoe Bay, Alaska w/US scientists to study the effect of saltwater on fast-thawing permafrost. 1st in a series by @bloomberg.com on the world's natural carbon sinks with @hayleywarren.bsky.social and @eroston.bsky.social A thread follows: www.bloomberg.com/graphics/202...

Most people don't have high expectations from COP30. But with the US govt intent on wrecking climate policies at home and abroad, things could get testy. For a preview, tune into a conversation later today with Bloomberg's crack team on the ground at COP30. www.bloomberg.com/sessions/202...

The US absence from #COP30 is a blow but also an opportunity, EU Climate Commissioner @wopkehoekstra.ec.europa.eu says in weekend interview. Gift link below @bloomberg.com www.bloomberg.com/news/article...

After Hurricane Beryl devastated Jamaica’s grid last year, officials at the island’s sole utility vowed to fortify it. But the company’s initiatives were only in the planning + early implementation stages when Hurricane Melissa hit. Story @bloomberg.com, gift link: www.bloomberg.com/news/article...

Extreme heat now kills roughly one person every minute, and about 550,000 a year, finds @lancetcountdown.bsky.social's new report. And scientists warn parts of the world may soon hit limits where it’s too hot and humid for people to survive. My latest for @bloomberg.com (free 🎁 link):

Online views of the ad that caused the US President to slap an additional 10% tariff on Canada continue to climb. www.bloomberg.com/news/article...

To put it plainly: The US successfully kills international effort that was one step towards leaving a hospitable planet for future generations. A jarring read (and good reporting) from @akshatrathi.bsky.social and @daniellebochove.bsky.social Gift link: www.bloomberg.com/news/newslet...

‘I’m The Same Me’: Canada’s Mark Carney Defends His Climate Record A story by @daniellebochove.bsky.social, from Carney's wide-ranging Bloomberg podcast interview with Mishal Husain

Exclusive: FEMA Tells Staff to Name Whistleblowers or Risk Losing Jobs Gift link: www.bloomberg.com/news/article...

One of today's winners of the Nobel Prize in Chemistry is UC Berkeley professor Omar Yaghi. Last year I wrote about Yaghi and Atoco, the startup he founded to commercialize his scientific breakthrough with a device that extracts water from air using just sunlight. www.bloomberg.com/news/article...

As China moves forward on a new "Arctic Express" service between Asia and Europe, some of the world's largest container shippers say Russia's Northern Sea Route is too risky a shortcut. The Arctic's fragile ecosystems are part of the reason why. @bloomberg.com www.bloomberg.com/news/article...

We can all use some good news

At 91, Jane Goodall died on a speaking tour, fighting for environmental protections until the end of her extraordinary life. She was a hero to me and countless others. Backstage at an event in 2013 she told me she was very tired. On stage, she was mesmerizing. www.bloomberg.com/news/article...

2025 Wildfire-Drought Honey. Bees are a miracle. This year, they deserve military decoration.

A double news update after a summer respite from social media: 1) I’ve joined @bloomberg.com to report on China & climate! 2) Just in time for China’s new climate targets, announced by Xi today. I’m thrilled to cover this special beat—and to be diving right in: www.bloomberg.com/news/article...

Chinese government's new regulation look to electrify more of the country's steel production, which will increasingly powered by clean power. The result is China's new plan will mean lower emissions and greener steel. www.bnef.com/analyst-reac...

The Great Icebreaker Race. As Arctic temperatures rise so does global demand for ice-capable vessels to tackle less impossible ice. @bloomberg.com www.bloomberg.com/news/feature...

🏖️NEW: Overtourism and climate change have created a dangerous feedback loop that endangers Southern Europe’s tourism industry www.bloomberg.com/news/feature...

A US DOE report argues the economic harm caused by trying to reduce greenhouse gases is greater than the consequences of climate change itself. It could be used to underpin US President Donald Trump's plans to stop regulating greenhouse gases. @bloomberg.com www.bloomberg.com/news/article...

In 2023, marine heat waves affected 96% of the surface of the world's oceans and helped push overall ocean temperatures to new records. Chinese researchers who led the new study fear it may herald a climate tipping point. @bloomberglp.bsky.social www.bloomberg.com/news/article...

On June 26, 2021, Lytton, British Columbia smashed a Canadian heat record , reaching 46.6 C. It broke it again the next day, and the next, and then it burned to the ground. @eroston.bsky.social on the "impossible" temperatures scientists are struggling to predict. www.bloomberg.com/news/article...

What happens when soot falls on snow and ice? As wildfires burn across Canada and beyond, understanding their full impact on the Arctic -- a critical shield against global warming -- is essential. Heat Week series by @bloomberg.com starts w/Black Carbon. www.bloomberg.com/news/feature...

A Swiss mountain slope bursting and unleashing a cascade of rocks and ice over an idyllic Alpine village last week was a chilling image, but also the symbol of a well-managed climate crisis FREE read via @bloomberg.com www.bloomberg.com/news/article...

New: Technology to cut carbon emissions from giant ships that transport 80% of the world's trade in goods tends to be complex and costly. But the pandemic led the Los Angeles ports to create a low-cost queuing system with a big impact on emissions. Free link. www.bloomberg.com/news/article...

Very proud of this piece done with so many great colleagues and grateful to the people who shared their stories.

For 25+ yrs, the Arctic Council helped keep the region "High North, low tension." But now 7 NATO countries + Russia ring it, making collaboration tough. (Trump's aspirations for Canada and Greenland don't help). The new SAO Chair, a native Greenlander, spoke to us. www.bloomberg.com/news/article...

The WH scrubbed these online enviro mapping tools. So volunteers tried creating them. EPA EJScreen: pedp-ejscreen.azurewebsites.net CEQ CJEST: edgi-govdata-archiving.github.io/j40-cejst-2/... FEMA Future Risk Index: fulton-ring.github.io/nri-future-r... My story: www.bloomberg.com/news/article...

💡 BLACKOUT MEGA-THREAD: Last week I was working at the Bloomberg office in Madrid when the humming of the ventilation system suddenly went quiet. That felt quite nice. But when we looked out the windows, we realized traffic lights were off. That's when we knew something serious was going on

Clean air, waters and land in the US come in part from ridiculously successful laws starting in the early 70s. But there's a new blind spot: pollution that originates above the skies. 🧵 🎁🔗: www.bloomberg.com/graphics/202...

Canada's new PM has deep climate expertise. @akshatrathi.bsky.social and I explored the implications on Bloomberg Green's Zero Podcast

New: At stake in Trump's push to strip-mine untouched biodiverse deep-sea ecosystems in international waters is the future of a UN treaty that has kept commercial peace on the world’s oceans for more than 30 years. Here's what you need to know. Free link. www.bloomberg.com/news/article...