WIRED SCIENCE • STAY SMART

[Michael Grove]

Farmers in hot, arid regions are turning to low-cost solar pumps to irrigate their fields, eliminating the need for expensive fossil fuels and boosting crop production. But by allowing them to pump throughout the day, the new technology is drying up aquifers around the globe.

By Fred Pearce - WIRED

[Michael Grove]

EVERYONE'S TALKING ABOUT heat pumps these days as a better way to warm your home. They even pull double duty, replacing your air conditioner in summer. The great thing is that they're generally more energy-efficient than old-school heaters, and they don't burn any fuel, so replacing that old gas furnace can really shrink your carbon footprint.

https://www.wired.com/story/how-do-heat-pumps-work/