Question

1.Which poses the greatest threat to polar bears today? ............

Answer 1

Ответ:

global warming is the biggest threat to polar bears

Объяснение:

ответ на вопрос

Answer 2

The greatest threat to polar bears today is climate change and its associated impacts on their Arctic habitat. Climate change is causing the Arctic sea ice to melt at an alarming rate, which is crucial for polar bears as they rely on it as a platform for hunting seals, their primary food source. As the ice melts earlier in the spring and forms later in the fall, polar bears have to go without food for longer periods, leading to malnutrition and reduced reproduction rates.

Other threats to polar bears include:

1. Oil and gas development: Exploration and drilling for oil and gas in the Arctic can lead to habitat destruction, oil spills, and increased human-bear conflicts.

2. Shipping traffic: Increased shipping traffic in the Arctic can result in oil spills, noise pollution, and the potential for ship strikes, all of which can harm polar bears.

3. Pollution: Toxic chemicals and pollutants can accumulate in the Arctic food web, potentially affecting polar bears and their prey.

4. Overharvesting of seals: If seal populations decline due to overharvesting, it can negatively impact polar bears' main food source.

5. Human-bear conflicts: As polar bears lose access to their natural habitat, they may venture into communities in search of food, leading to conflicts with humans.

While these are significant threats, climate change remains the overarching and most pressing concern for polar bears, as it affects nearly every aspect of their survival and well-being. Addressing climate change through global efforts to reduce greenhouse gas emissions is critical for the long-term conservation of polar bears and their Arctic habitat.