Exercise 4: Fill in the blanks with the correct words from the box. pollution, recycle, deforestation, endangered, global warming, renewable energy Every year, our planet faces serious environmental problems. One of the biggest issues is (1) _______, which happens when factories, cars, and waste release harmful substances into the air, water, and soil. This not only harms nature but also affects people's health. Another major problem is (2) _______, where large areas of forests are cut down. Trees produce oxygen and provide homes for many animals. When forests disappear, many species become (3) _______ because they lose their natural habitat. One way to help the environment is to (4) _______ materials like paper, glass, and plastic. This reduces waste and helps save natural resources. Scientists warn us about (5) _______, which causes Earth's temperature to rise. This leads to extreme weather, melting ice caps, and rising sea levels.