Did you know?
How can we live well on our planet and use only as much water, wood and other raw materials as the earth can renew? The answer is: By living sustainably. Our experiments show you how to conserve raw materials and energy, how recycling works, and that we can also treat ourselves sustainably.
Experiments related to sustainability
Quiz
![brown bowl with potato starch, spoon and potato](https://www.henkel-forscherwelt.de/resource/image/1157522/3x2/1000/666/b89333e4b180d91813e2668bbea84639/E3165F0114EA491C4922F43FD2ACB742/pritt-image-renewable-raw-materials-4-3.webp)
What are renewable raw materials?
Answer
Plant-based raw materials such as potato starch, which is obtained from potatoes, are called renewable. This contrasts with substances made from petroleum.
![4 waste containers in red, yellow, green, blue](https://www.henkel-forscherwelt.de/resource/image/1157444/3x2/1000/666/2f7f772b74b01302d091dd30cae91c46/237750BECC6BB5345D0C0B6424005D7D/gettyimages-1142989743.webp)
What kind of garbage can you separate at home?
Answer
You can do a lot for the environment at home by separating waste: Glass, paper, plastic packaging, organic waste and special waste such as batteries can all be collected separately. Then little residual waste remains.
![part of bicycle on black tarmac with painted bicylce icon](https://www.henkel-forscherwelt.de/resource/image/1157436/3x2/1000/666/9e86f249df3c24596d8b77e461db3215/FD12A8D3CA52B2765E9171936B73418B/gettyimages-157649115.webp)
Which is more sustainable: driving a short distance by car or by bike?
Answer
Riding a bicycle. Cars that burn gasoline produce carbon dioxide when they are driven. This gas is one of the main causes of climate change.
![picture symbolizing climate change with tree in the midle](https://www.henkel-forscherwelt.de/resource/image/1157572/3x2/1000/666/b90acdadeef055e77c4abec758c53291/14A8C30E171F56AB161E95BC52D2C643/shutterstock-524691637.webp)
What are the effects of climate change?
Answer
Climate change means that the earth is warming up. Warming is causing glaciers and ice at the North and South Poles to melt. In parts of the world there are droughts, elsewhere there are floods.