Private firms are engineering Halifax harbour to remove atmospheric carbon by adding an alkaline slurry to seawater, speeding up naturally occurring cycles. While proponents champion this ocean alkalinity enhancement to combat the climate crisis, marine scientists warn that adding materials to a stressed ecosystem without sufficient research risks toxic effects.

Nine early-stage South Korean startups pitched at DETO 2026 in Seoul to earn a spot in TechCrunch Disrupt 2027's Startup Battlefield 200 competition. Voinosis, an AI healthcare startup that detects changes in brain health through voice analysis, won the competition and is raising a Series A round.

The naval blockade of the strategic strait of Hormuz has transformed a vital shipping lane into an environmental disaster zone. Months of missile and mine attacks on oil tankers have left massive, visible slicks that threaten fragile marine ecosystems, coral reefs, and coastal wildlife across the Gulf. There is no such thing as a clean war. Not for the unlucky humans that are drawn into it, nor for the unlucky environment in which the conflict takes place.

Donald Trump is the biggest loser we’ve seen in a long time for scrapping climate action and ceding the clean energy race to China. By walking away from the battlefield and blackballing an entire sector of the economy, he completely missed the marketplace for goods that could be produced in the United States.