Polar bears are facing a threat of starvation as the Arctic sea ice melts, according to scientists. The iconic Arctic species typically feed on ringed seals that they catch on ice floes offshore. However, as the ice disappears due to global warming, many bears are spending more time on land and resorting to eating bird's eggs, berries, and grass. Unfortunately, these alternative food sources cause the bears to rapidly lose weight, increasing their risk of death. The loss of sea ice is seen as the biggest threat to polar bears, as it is essential for their survival.

A recent study conducted in Western Manitoba found that the ice-free period has increased by three weeks between 1979 and 2015. To understand how polar bears survive as the ice disappears, researchers tracked the activities of 20 bears over a three-year period. The bears were fitted with GPS-equipped video camera collars, allowing scientists to record their movements, activities, and diet. During the ice-free summer months, the bears adopted different strategies to survive, with some conserving energy while others attempted to forage for vegetation or berries. However, all approaches proved unsuccessful, with 19 out of 20 bears losing body mass.

Lead author Dr. Anthony Pagano stated that regardless of the strategy used, there was no real benefit in terms of prolonging the bears' survival on land. Polar bears are not able to adapt to land-based diets like grizzly bears, making their situation more dire. The study also revealed that two of the three bears that took to the water found carcasses of dead animals but were too tired to eat for an extended period. These findings raise important questions about the species' ability to adapt to the impacts of climate change.

While the study focused on a specific region, researchers believe that the impacts of climate change on polar bears will vary depending on location. It is likely that polar bears will disappear from areas where sea ice is lost in the future, but it is difficult to predict when and where this will occur. Some areas may still have favorable conditions for bears for many decades to come. However, if sea ice continues to disappear as predicted, conditions in the study area may become very difficult for bears in a short time. The study highlights the urgent need to address climate change and protect the Arctic ecosystem.

Original news source: Polar bears face starvation threat as ice melts (BBC)

– News Summary
Instructions: Have students read the article individually or in pairs. Then, ask them to write a concise summary of the article, highlighting the main points. Afterward, invite students to share their summaries with the class and compare them to ensure accuracy and completeness.
– Opinion Poll
Instructions: Divide the class into small groups. Assign each group a specific viewpoint related to the article, such as "Polar bear conservation is a top priority" or "Climate change is a natural phenomenon." In their groups, students should discuss and gather evidence to support their assigned viewpoint. Then, have each group present their arguments to the class. Finally, conduct a class-wide opinion poll to see which viewpoint gained the most support.
– Vocabulary Pictionary
Instructions: Create a list of key vocabulary words from the article, such as "starvation," "offshore," and "conserving." Divide the class into small teams and provide each team with a set of vocabulary words. One student from each team should come to the front of the class and draw a picture representation of one of the words, while their teammates try to guess the word. The team with the most correct guesses wins.
– Pros and Cons
Instructions: Divide the class into two groups. Assign one group the task of listing the pros of addressing climate change to protect polar bears, while the other group lists the cons. Give students time to brainstorm and discuss their ideas within their groups. Then, bring the class back together for a debate-style discussion, where each group presents their arguments and counters the opposing group's points.
– Future Predictions
Instructions: Have students work individually or in pairs to think about and write down their predictions for the future of polar bears and their habitat. Encourage them to consider factors such as climate change, human intervention, and conservation efforts. Afterward, students can share their predictions with the class and engage in a discussion about the potential outcomes for polar bears based on their predictions.

Polar bears are facing a threat of starvation as the Arctic sea ice melts, according to scientists. The iconic Arctic ? typically feed on ? seals that they catch on ice floes offshore. However, as the ice disappears due to global warming, many bears are spending more time on land and resorting to eating bird's eggs, berries, and grass. Unfortunately, these alternative food sources cause the bears to rapidly lose ?, increasing their risk of death. The loss of sea ice is seen as the biggest threat to ? bears, as it is essential for their survival. A recent study conducted in Western Manitoba found that the ice-free ? has ? by three weeks between 1979 and 2015. To understand how polar bears survive as the ice ?, ? tracked the activities of 20 bears over a three-year period. The bears were fitted with GPS-equipped video camera collars, allowing scientists to record their movements, activities, and diet. During the ice-free summer months, the bears adopted different strategies to survive, with some conserving energy while others attempted to forage for vegetation or berries. However, all approaches proved unsuccessful, with 19 out of 20 ? losing body mass. Lead author Dr. Anthony Pagano stated that regardless of the strategy used, there was no real benefit in terms of prolonging the bears' survival on land. Polar bears are not able to adapt to land-based ? like grizzly bears, making their situation more dire. The study also revealed that two of the three bears that took to the water found carcasses of dead ? but were too ? to eat for an extended period. These findings raise important questions about the species' ability to adapt to the impacts of climate change. While the study focused on a ? region, researchers believe that the impacts of climate change on polar bears will vary ? on location. It is likely that polar bears will ? from areas where sea ice is lost in the future, but it is ? to predict when and where this will occur. Some areas may still have favorable conditions for bears for many decades to come. However, if sea ice continues to disappear as predicted, conditions in the study area may become very difficult for bears in a short time. The study highlights the urgent need to address climate change and protect the Arctic ecosystem.

1. How would you feel if you were a polar bear and your main food source was disappearing?
2. Do you think humans are doing enough to address climate change? Why or why not?
3. What is the biggest threat to polar bears according to the article?
4. How do you think the loss of polar bears would impact the Arctic ecosystem?
5. Do you think it is important to protect endangered species like polar bears? Why or why not?
6. How would you feel if you saw a polar bear in the wild?
7. What do you think can be done to help polar bears survive in a changing climate?
8. Do you think it is fair that polar bears are suffering because of human actions? Why or why not?
9. What is the role of governments and individuals in addressing climate change and protecting polar bears?
10. Have you ever seen a polar bear in a zoo or in the wild? If so, what was your experience like?
11. How do you think the loss of polar bears would impact tourism in the Arctic?
12. What do you think are the long-term consequences of losing polar bears?
13. Do you think it is important for scientists to conduct research on endangered species like polar bears? Why or why not?
14. How do you think the loss of polar bears would impact the global ecosystem?
15. What actions can individuals take to help protect polar bears and address climate change?

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