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Global warming is accelerating the melting of the world’s glaciers. The rate of glacial retreat has increased over the last hundred years due to global warming and the increase of greenhouse gas emissions. The increase in glaciers melting has significant impact on the water supply for many global communities. Glacial retreat also impacts world climate zones since glaciers help regulate the climate of the planet. However, scientists argue that it is not too late to reverse the effects of global warming in an effort to decrease the rate at which glaciers are melting. Chapter 11 of Air: Climate Change Series.
(Source: DCMP)
A volcanologist explores the fiery landscape of Iceland. Segment of video from Wild Chronicles Series.
Many outlet glaciers in Greenland feed ice from the land into fjords, where discharge of icebergs and melting of the glaciers by warmer ocean waters contribute to rising sea levels. David Holland of NYU studies what happens in the fjord when ice meets water. He also studies how the dynamics at the margin between ice and sea are changing, and what those changes could mean in the future for global sea level rise. Part of the National Science Foundation Series “Science Nation.”
Welcome to Ruth Glacier, deep inside Alaska’s Denali National Park and Preserve. Some of the visitors are here for recreational activities, such as backcountry skiing, but this is no vacation for University of Maine paleoclimatologist Karl Kreutz and his team. For them, time on the ice is all part of the job. With support from the National Science Foundation, the scientists are working to reconstruct the climate history of this area over the last thousand years. Part of the National Science Foundation Series “Science Nation.”
Glaciers are one of the main driving forces affecting Earth's climate and landscape. These massive sheets of ice are constantly moving and changing, and warming temperatures are causing most glaciers to recede. Located in some of the most inhospitable areas of the planet, scientists are venturing to glaciers to study them and looking for clues from past and present changes in climate. Part of the "Glacier Series."
Part of a series that features a wide variety of video footage, photographs, diagrams, graphics, and labels. For this particular video, students will focus on the geography of glaciers. Also discussed is the difference between alpine and continental glaciers. Part of the Science Video Vocab series.
This video explains how scientists choose which glaciers to study and why they collect ice cores from glaciers. It shows the process of collecting and transporting ice cores to a research base and preparing the cores for scientific study. Part of the "Ice Cores: Unlocking Past Climates" series.
Scientist are concerned about the decreasing mass of the world's glaciers. Due to numerous environmental factors, glaciers that were once abundant in the Northern regions are now half of their original size. Climate change has become a very real and dangerous impact for the planet. Part of the "Glacier Series."
Part of a series that features a wide variety of video footage, photographs, diagrams, graphics, and labels. For this particular video, students will focus on the parts of the Earth where water is found in its frozen, solid form, also known as the cryosphere. The cryosphere includes frozen lakes, glaciers, sea ice, icebergs, and snow. Part of the Science Video Vocab series.
Host Jessica Robertson visits Montana and gathers questions from individuals visiting Glacier National Park. They want to know how climate change is impacting glaciers. Scientists from the United States Geological Survey (USGS) provide the answers and information on how to learn more about climate change.
Everyday, real-life examples demonstrate the processes of weathering and erosion. Easy-to-understand examples of weathering help students differentiate between the processes of mechanical and chemical weathering. Footage of weathering and erosion processes help students grasp how each process alters the environment. Important terminology includes: mechanical weathering, landslides, abrasion, freezing, thawing, chemical weathering, oxidation, acid rain, moving water, wind, and glaciers.
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.
Learn about the difference between weather and climate. Students investigate how glaciers are formed and where they are located. Part of the "Ice Cores: Unlocking Past Climates" series.
Travel with Joel Greene and the Curiosity Quest crew to Alaska for this adventure. Watch as Joel learns about a massive glacier, gets up close to a real black bear, and spots humpback and killer whales off the shore. Part of the Curiosity Quest Series.
Glaciers reveal past events and record time in much the same way that tree rings record past climate data. In this episode, students will learn how an ice core provides a record of past climates. Part of the "Ice Cores: Unlocking Past Climates" series.
Gravity and erosion are major factors in changing the shape of the surface of Earth. The different types of erosion and the effect of gravity on objects is discussed in this video. Other topics covered include folding, faulting, deposition, creep, mass movement, landslide, surface runoff, alluvial fan, delta, stream erosion, beach erosion, ice erosion, wind erosion, dune, glaciers, and glacial deposits.
Glaciers are melting, sea levels are rising, and the weather is becoming more extreme. Corporations talk about optimizing resource use, saving energy and reducing greenhouse gas emissions to stop worsening climate change. They start to promote hybrid cars, plant-based detergents and new technologies… but how much do they really intend to change, and what do plants have to do with marketing?
With support from the National Science Foundation, Astrobiologist Richard Hoover really goes to extremes to find living things that thrive where life would seem to be impossible--from the glaciers of the Alaskan Arctic to the ice sheets of Antarctica. He thinks it is even possible that over the course of billions of years, life has spread around the solar system--a sort of cosmic cross pollination. Microbes could live in the ice deep within comets, frozen there for eons until a collision with another planet or moon delivered them to a new home.
As shown on the History Channel. The Sierra Nevada, North America's highest mountain range, contains one of the most awe-inspiring geological features on the planet: Yosemite Valley. Walled by sheer 3,000-foot granite cliffs and made from one of the toughest rocks on earth, it is home to the mighty El Capitan and iconic Half Dome. Yet how this extraordinary valley formed has been the subject of controversy for over 100 years. Was it carved by gigantic glaciers or a cataclysmic rifting of the Earth?
