My topic is population of the global. I chose sustainable, agriculture and natural resource for my topic. These concepts can help audience easier to understand what the topic about and that’s why it’s important for my topic. After we define out topic and concepts we find a video, a website and record the meaning of the three abstract concepts. Then we find the photo of each abstract concepts on the PowerPoint and screenshot the PowerPoint. Finally we connect them together use the thinglink. In this task the difficult is it’s hard to find an exactly video to describe the abstract concept. We learnt plenty of words during this task, and it’s a challenge for us to define three abstract concept at the beginning of the task.