First think about it, do you really need to wash the garment or just air it out? Many items of clothing, such as jeans, do not need to be washed as often and also last longer. When washing, you can also save electricity and thus CO2: Fill the washing machine to the brim, skip the pre-wash and always wash at a maximum of 60 degrees. Most laundry will be cleaned even with a cold wash cycle of 30 or even 20 degrees. A washing cycle at 30 degrees consumes up to two-thirds less electricity than at 60 degrees. In the summer, additional energy and thus CO2 can be saved if the laundry is dried on the line in the sun. If you wash 75 percent of colored laundry at 30 degrees and 25 percent of white laundry at 60 degrees, it produces up to 118.7 kilograms of CO2 less than a household that washes 30 percent of colored laundry at 30 degrees, 40 percent at 60 degrees and 30 percent of white laundry at 90 degrees. For comparison: A gasoline car with a consumption of 7.7 liters consumes around 119 kilograms of CO2 per 650 kilometers. (AI, Greenpeace)