Zoos are premises for the captivity of animals, often in urban areas where many of the animals would not otherwise be found, with the intention of studying the animals and displaying them to the public at large. The predecessor of the zoo was the menagerie, which involved the captivity of birds typi


Are biofuels a better alternative to fossil fuels? Should their use be encouraged by government regulations and subsidy?


Do non-human animals have rights? I am going to look at this question partly from the viewpoint of ethics in science and partly considering how major religions treat this question. Those not interested in religious arguments per se would do well to consider at least the ethical angles involved i


Although still a controversial subject, there is a growing consensus that global climate changes are being caused by environmental pollution, especially by greenhouse gases. Do we need to take more urgent action to halt this trend?