In December, the UCLA Fielding School of Public Health joined other agencies in testing soil in and around Altadena. The team ...

Learn why soil pH is the most important soil test value and how it affects nutrient availability and lime requirements.

To grow good plants, you need good soil. The only way to tell what your soil really needs is to take a soil test. Applying too much fertilizer could be detrimental to your plants. You could waste ...

Before applying fertilizer or any other soil amendment, it's a good idea to see what the soil already contains. That way you ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Colleen Hagerty Colleen Hagerty is a writer focused on emergency preparedness.

Nancy Ward, the head of CalOES, left office on Dec. 30. She had publicly begged FEMA to test for toxic substances after the ...

By John Cannon With a synchronized tap from run-of-the-mill hammers on metal plates resting on the ground, researchers ...

Ash rained down and smoke blanketed Los Angeles during the 2025 wildfires, leaving behind a toxic legacy in soil and homes.

Elappully: Artificial Intelligence has made its entry into soil testing in agricultural fields, with an AI-powered device ...

After oversight reports and media coverage flagged problems with how some cleanup contractors operated, federal agencies ...