The Guardian · US news · Original story
Temperature check: alarm as prediction markets lean into weather and climate bets
Climate experts warn US Kalshi and Polymarket users are ‘gamifying disasters’ as they bet on events like heatwaves and daily temperatures
Online prediction markets, saturated by money staked on sport, crypto and politics, have now set their sights on a promising new area of growth: betting on the future livability of the planet itself.
The rise of gamified predictions on the unfolding climate crisis, and shorter-term weather forecasts, has been underscored by a new deal that allows Kalshi, a leading online financial exchange, to access data from the Weather Company, owner of the Weather Channel, to verify weather-related betting outcomes.
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Oliver Milman · Wed, Sep 2, 2026, 8:00 AM
US news | The Guardian
Climate experts warn US Kalshi and Polymarket users are ‘gamifying disasters’ as they bet on events like heatwaves and daily temperatures
Online prediction markets, saturated by money staked on sport, crypto and politics, have now set their sights on a promising new area of growth: betting on the future livability of the planet itself.
The rise of gamified predictions on the unfolding climate crisis, and shorter-term weather forecasts, has been underscored by a new deal that allows Kalshi, a leading online financial exchange, to access data from the Weather Company, owner of the Weather Channel, to verify weather-related betting outcomes.
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