Complete the article with words and expressions from the list !

Although environmental problems can seem overwhelming, there is hope if everyone gets involved in protecting our . Here's what you can do:

Consume less energy - Climates are changing and ocean levels are rising because of , This growing problem is due to increased levels of carbon dioxide in the atmosphere as a result of the burning of coal, oil and gas. In order to save electricity, use light bulbs, and turn the air-conditioning down or off whenever possible. Turn the heat down by 2°F and you'll also cut 10% off your bill.
Don't use your car if you don't have to, because cars consume energy and also cause . So, instead of driving everywhere, use public transportation. Or ride a bike - you'll get good exercise and it will help improve your city's air quality.

Avoid toxic cleaning products - Look for brands even if they are more expensive. This helps cut down on the that contaminate our rivers and oceans, and that are generally harmful to the environment.

Recycle your garbage - Recycle newspapers , magazines, batteries and all packaging such as cartons bottles, cans and plastics so that they don't end up in a . Packaging that is not can take years to decompose. And recycling paper, glass and metal saves energy.

Conserve water - Even though 1.2 billion people in the world lack safe drinking water , people in developed countries use 15 bathtubs full of water a day ! You can cut your in half by taking showers instead of baths. And water your lawn only once a week. Some people do it daily in spite of water shortages and warnings.