The world's oldest soils are found in Africa and Australia and date back more than 50 million years. These soils are highly weathered and are in regions we now classify as deserts. According to the ...

Take a look out at this landscape. What do you notice? Credit: Shutterstock Take a walk outside. Get some fresh air. What do you notice around you? Buildings, trees, and the sky may be on your list, ...

My wife is the gardener. I’m the grunt who digs the dirt. But gardening has grown on me, and now I know not to use the word “dirt.” “We refer to it as soil, because dirt is a four-letter word,” says ...

Brian Darby receives funding from the United States Department of Agriculture. Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more. Soil erosion, the most common type of land degradation, ...