By feeding plants with energy and CO₂ from decomposing trash, the dome turns a landfill into an unlikely food source.

In areas where freshwater is scarce, farmers often turn to treated wastewater to irrigate crops. And many regulators and consumers worry about exposing food to compounds routinely found in wastewater, ...

But new federally funded research from Johns Hopkins University has found that tomatoes, carrots, and lettuce store those chemicals in their leaves—good news for tomato and carrot lovers who eat the ...