Ответ:
- Polar bears are endangered because climate change is melting the sea ice where they hunt, so their habitats and prey are disappearing.
- Penguins are becoming rare because of climate change, pollution, overfishing, habitat loss and a shortage of food.
- Yes. Examples include tigers, rhinos, orangutans and sea turtles.
- Yes. People can protect habitats, reduce pollution, limit greenhouse-gas emissions, stop illegal hunting and fishing, and support conservation programmes.
