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Explores the Olympic Peninsula of Washington State which has a greater variety of habitats than anywhere else in the world. Introduces its abundant plant and animal life and explains the delicate balance between them. Considers the importance of water and rainfall, from the temperate rain forests at the coast, to the lowland forests, mountain forests, and glaciers.
(Source: DCMP)
Conservation efforts benefit everyone, and this episode explores the various efforts to protect the monarch butterfly. Today, the governments of Canada, Mexico, and the United States maintain a common political project in favor of the conservation of these insects. Part of the "Bios: Nature and Society" series.
Ten 10-minute programs explore temperate and tropical habitats and their abundant diversity of life. Tape one: compares temperate and tropical forests, their habitats, the effects of rain on them, and shows how size can generate great diversity. Tape two: uses butterflies to represent species diversity, compares how people relate to temperate and tropical environments, explores humans' impact on diversity, and investigates issues of threatened and endangered species.
The mid-latitude and polar regions are two of earth's three climatic zones. The mid-latitude, or temperate, regions have definite seasonal changes in temperature and length of days and nights. Polar climates have extremely cold temperatures. Covers the climatic characteristics of the five subregions of the temperate and polar zones, noting also the vegetation, animal and human life, urban centers, and food crops.
There are four categories of climate types found around the world and discusses the similarities and differences among them. This program examines cold climate areas, temperate climate regions, dry climates, and equatorial warm and humid climates.
Types of climates and climate zones are explained using familiar examples. This video explores the plants and animals that inhabit different climates, the influence of temperature and precipitation on climate, and the causes of climate change over time. Other topics covered include topography, prevailing winds, rain shadow, altitude, climate, latitude, polar zone, temperate zone, and tropical zone.
Establishes the vital importance of the greenhouse effect for life on Earth. Presents a balanced argument to assess whether anthropogenic climate change-often called "global warming"-is in fact taking place. Offers clear arguments on both sides of the debate and illustrates both more economically developed countries and less economically developed countries. Provides a thorough and balanced examination of this important and often contentious issue.
