Today’s Solutions: October 21, 2026

A new engine that generates electricity from waste hot water could reduce energy consumption and carbon emissions for thousands of different businesses, from cargo shipping to data centres. So says Exergyn, a firm based in Dublin, Ireland, which plans to run the first industrial trials of its technology next year. Globally, Exergyn estimates that the heat lost in waste hot water from industrial processes amounts to around twice the energy in Saudi Arabia’s annual oil…

Print this article
More of Today's Solutions

World’s tallest wind turbine reaches 1,197 feet in Germany

BY THE OPTIMIST DAILY EDITORIAL TEAM The world's tallest wind turbine just reached full height in Germany. GICON's pilot turbine in Schipkau, eastern Germany, ...

Read More

Fall nostalgia: why your nervous system reaches for reruns when autumn arrives

BY THE OPTIMIST DAILY EDITORIAL TEAM Every fall, something happens in the body before it happens in the mind. The smell of wood smoke ...

Read More

Beekeepers and airports join forces to save pollinators

Back in 2012, Ben Shertzer, wildlife administrator at Pittsburgh International Airport, found himself dealing with a perplexing problem: swarming bees. The bees would land ...

Read More

Scotland lays out new road map to reach net zero by 2045

BY THE OPTIMIST DAILY EDITORIAL TEAM Scotland took its next step toward reaching net-zero greenhouse gas emissions by 2045, releasing a sweeping draft climate ...

Read More