not harmful to the environment, or trying to help the environment
eco-friendly/environmentally-friendly
to get rid of something that you no longer want
throw away
that can be filled again after being empty
refillable
Valuable things that we can get from the Earth, such as wood and oil
natural resources
to divide something into smaller parts
break down
drinking water packaged in plastic or glass water bottles
bottled water
Any material in its natural condition, before being processed for use
raw material
Using natural resources that can be replaced or using methods that do not harm the environment
sustainable
To reduce the number, amount, or size of something
cut down (on)
a device, machine, or piece of equipment, especially an electrical one that is used in the house
electrical appliances
Made or grown without the use of chemicals
organic
rubbish lying in an open or public space
litter