Can AC protect against wildfire smoke?

As climate change increases the severity and frequency of wildfires in North America, experts say many Americans are at risk of experiencing one in their lifetime. But even more may be affected by the unhealthy air quality ...

'Every drop counts': Spain's crops thrive on wastewater

With rainfall increasingly scarce, irrigating crops can be a major challenge, but farmers in southeastern Spain have long relied on recycled wastewater in a model that is winning attention abroad.

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