LONDON, England (CNN) -- The apocalyptic tales of nature's impending demise are as well worn as they are numerous. Dr. Joseph Adelegan has pioneered new energy sources, including using cow waste to create cooking gas. But while our leaders wrangle over quotas for  greenhouse emissions over banquets at lavish summits, there are remarkable individuals who are doing their small bit to prevent our planet from peril. Take Nigerian civil engineer, Dr Joseph Adelegan for instance. He firmly believes that the world's future fuel demands can be met through renewable energy. And he is using increasingly innovative methods to achieve these results.
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Individuals around the world are devising innovative ways to save the planet
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Joseph Adelegan has created fuels using cow waste and cassava plant
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Chewang Norphel is known as the "Ice Man" after creating artificial glaciers
For @placeholder, there are several advantages of an artificial glacier over a natural one.