Professor Alex Halliday founded the Columbia Climate School and has long championed the need for climate action.

"US Elections: Could Trump Surprise Us On Climate?";

"Get on with orderly energy transition, says Origin boss";

"‘It makes our life easier’: Climate campaigns seize on Dutton’s refusal to set target";

"Talking the Talk: Dutton dumps climate commitment, Labor speaks with forked tongue";

"Maine college builds climate-friendly dorm out of wood";

"Why scientists fear a second Trump term, and what they are doing about it";

"Peter Dutton has reignited Australia’s climate wars. We fact-check the major claims";

"Farmers who graze sheep under solar panels say it improves productivity. So why don’t we do it more?";

"Will Mexico’s New Climate Scientist President Change the Country’s Energy Policy?";

"At risk from rising sea levels, these First Nations peoples are finding solidarity in their shared struggle";

"Serious heat wave to scorch the East next week. Maps show areas at risk.";

"‘It makes our life easier’: Climate campaigns seize on Dutton’s refusal to set target";

"I'm a conservative. We need to make the environment non-partisan";

"Minnesota takes rare step to allow power lines alongside highways";

"Shocking: man who joked about Pacific Island nations sinking doesn’t actually care about the environment";

"EnergyHub receives CEC grant to support expansion of virtual power plants in California";

"Congestion Has Never Been Worse; The Need for Congestion Pricing, Never Greater.";

"Cemeteries Can Be Damaged by Climate Change—and Provide Climate Refuge";

"As the Country Heats Up, ERs May See an Influx of Young Patients Struggling With Mental Health";

"Looking at the Planetary Past to Prepare for Our Climate Changed Future—An Interview with Steven Earle";

"A year of record global heat has pushed Earth closer to dangerous threshold";

"Heavy flooding hits parts of South Florida after severe rains";

"Anatomy of a flood";

"European Union Hits E.V.s From China With Extra Tariffs Up to 38%";

"If regional communities don’t want a windfarm, why would they accept a nuclear power station?";

"Peter Dutton accused of trying to ‘rip up’ Australia’s commitment to Paris climate agreement";

"Best-case scenario: 5% survive Milford Sound tsunami";

"End of the windmill era: NSW switches to safer, more efficient solar water pumps";

"Low-Traffic Neighborhoods Are Reclaiming London’s Streets From Cars";

"Acropolis in Athens closed as Greece bakes in heatwave: What travellers need to know";

"EU to slap extra tariffs on Chinese electric cars in a bid to close competition gap";

"Where will climate change hit hardest? These interactive maps offer a telltale glimpse.";

"The city that is trying to sleep: Paris seeks to cut noise pollution by four decibels";

"Up to 5m of beach are disappearing from this Spanish coast every year: Is climate change to blame?";

"My Climate View: online tool allows Australian farmers to project changes out to 2070";

"Scientists have built a ‘digital twin’ of Earth to predict the future of climate change";

"How Congestion Pricing Makes Cities More Livable";

"Super election year: What are candidates in the UK, US and Australia planning on the climate?".