The main purpose of delivering a lecture is to completely cover the topic and fully satisfy the information needs of the audience.
There is a difference between a presentation and a lecture. While making a presentation support of multimedia is the main element. While delivering a lecture the spoken words of the lecturer are more important. He covers a topic with the help of his previous knowledge and also with the help of notes he developed for the topic.
To deliver a lecture on a hot environmental issue it is necessary to first define its objective. Does it mean to simply provide the information about the issue or equally to build up opinion in favor or against the topic? So we can say lecture can be of three types in terms of its objectives.
Under this type simple information about the issue is passed on and rest is left on audience what it does with the help of the acquired info.
Under this type an opinion is built highlighting the pluses and minuses of the hot environmental issue and then influence the audience to adopt a specific viewpoint about it.
Under this category of lecture, audience is requested to play its role for the resolution of a hot environmental issue. It may be a protest against the responsible elements or just a resolution to build pressure on those who are supposed to take action for its resolution.
How to prepare a lecture on a hot environmental issue?
To prepare a lecture on a hot environmental issue two sources are used as give below:
Primary Source: It means the entire sources which offer first-hand information about the issue including its causes, its impact and suggestions to resolve it.
Secondary Source: It means the entire sources which were earlier used to get the information about the issue already available and it is just referred with pointing its source. It can be a newspaper report or an investigation report of an environmental organization.
So with the help of both the sources data and information is gathered to achieve the objectives of the lecture. After that information is trimmed to the level that is must to provide to target audience. For this purpose just that information is included in the lecture which fully educates the audience about the issue and also helps to achieve the objective of the lecture. It may be for building an opinion or to influence the audience to take an action.
Once the lecture is fully prepared, now it is good to convert it into different medium. Images, videos, infographics and date are a few media to put diversity in the lecture. But once again it may be pointed out that the most effective element of a lecture is spoken words of the lecturer. For the support purpose multimedia can also be used to show the main points and different media of the lecture on a screen to effectively communicate the message.
How to deliver a lecture on a hot environmental issue?
To deliver a lecture it is necessary to first speak a few words as a preamble and without much formality. It helps to build contact with the audience. Its various segments can also be communicated to the audience to make it fully aware of what is going to happen ahead.
After that its serious main component begins with delivery of info including graphs, charts, facts, figures, images and testimonial to make it the most effective piece of information.
At the end a rewind is necessary to make audience listen and understand the main points once again. And finally a question answer sessions seals the performance and any confusion can be removed with mutual discussion.
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