In some instances, an area may experience more than 250 mm of precipitation annually, but is considered a desert climate because the region loses more water via evapotranspiration than falls as precipitation (Tucson, Arizona and Alice Springs, Northern Territory are examples of this).
In contrast, 1  TED-style talks are personal. The only reason to give a TED talk is that you feel passionately about something, and your sense of purpose creates an energy boost for both you and your audience. 2  TED talks often take us on a journey.
How to Give a Great TED Talk. Advice from entrepreneurs and TED organizers on giving a knockout speech on one of the world's most prestigious stages. It was the scariest f---ing thing Iâve done in my life,â Derek Sivers says. Before him sat Microsoft founder Bill Gates, former Vice President Al Gore, and about 400 other audience members.