跳到0分12秒您是否曾经想过我们下面的土壤？
跳到0 minutes and 22 secondsDid you know that the rise and fall of civilizations depends on soils, or that there are more living things in one teaspoon of soil than there are people on the planet? We rely on soil for many resources, not least food and water. But soils can take thousands of years to form. And they are fragile. We are damaging it in many ways. If we want to protect our soils, we need to understand them.
跳到0分钟52秒Soils are amazing. They’re complex and full of life. And yet few of us give soils a second thought. In this course, I’m going to take you on a journey through the world beneath our feet.
跳到1分9秒首先，我们将了解土壤科学的基础知识，土壤的构成以及如何形成土壤。我们还将研究世界各地的各种土壤。我们将了解为什么土壤如此重要以及土壤中的寿命。最后，我们将研究对土壤的威胁，以及为什么我们需要做更多的保护以保护它。在整个课程中，您将有机会了解兰开斯特大学（Lancaster University）进行土壤科学领域的尖端研究。
跳到1分钟41秒So if you already have an interest in the environment, this course will be perfect for you. You don’t need any specialist expertise or knowledge. And it’s open to students from anywhere in the world. You will get the chance to participate actively by joining discussions, taking part in quizzes, and getting your hands dirty with activities related to the soil where you live. By the end of this course, you will have a basic understanding of soil science and some of the threats to soils. Join us and learn that soil is more interesting than you might think.
