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Ice information, ice cover and the seasonal influence of light on a wide variety of organisms are described and illustrated for both polar regions, with especial reference to krill and migrating animals such...
The earth’s climate is changing with global warming, and disasterous effects may follow. Burning fossil fuels such as coal, oil and gas adds so much carbon dioxide to the atmosphere. This traps the sun’s...
Series of three 52-minute programmes on the ecological health of the earth made in conjunction with ecoscientists Paul and Anne Erlich. 1) The Shadow of Humanity: the earth’s ecological systems and how...
Explains the processes underlying the greenhouse effect including an analysis of chlorofluorocarbons (CFCs) and methanes. Examines the consequences of global warming and the evidence that it is already...
Examines the flow of energy throughout the world of living things. In six 10-minute segments: The Concept of Energy Flow, Photosynthesis; energy Flow in the Ecosystem; Energy Flow at the Cellular Level;...
The term ‘greenhouse effect’ is becoming commonplace. It concerns the global problem of increasing carbon dioxide (CO2) in the atmosphere. This increase, it is predicted, will produce a warming of the...
The carbon dioxide content of the earth’s atmosphere acts like the glass in a greenhouse. Burned at the present rate, the resulting emission of carbon dioxide will have warmed the earth’s atmosphere by...
The aim of this DVD is to build understanding of how debates on climate change play out in two very different countries, namely Bangladesh, a low lying country that is heavily afflicted by poverty, and one...
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