Is there any truth to the claim that pine needle mulch makes soil more acidic, or is it a myth? We looked at the science of ...

In the White Mountains of New Hampshire, the streams are telling us a story about forest recovery following acid rain and logging. According to a new study in the Proceedings of the National Academy ...

When a rainstorm finally comes after long periods of drought, you celebrate that your plants' roots finally have moisture. Dig down an inch or so, and the soil is still bone dry. How can that be, and ...

One of the most apparent effects of air pollution is acid rain that occurs when rain, snow, mists, or dust become abnormally acidic as a result of substances emitted into the air. The origin of it is ...

Pine needle mulch doesn’t significantly acidify soil because the needles lose their acidity as they decompose. Bare spots under pine trees are more likely caused by dry shade and root competition than ...