Sustainable event management is when grown-ups plan an event in a way that doesn't harm the environment or use up too many resources. Imagine you are throwing a big party, like a birthday party, but you want to make sure that all the things you use for the party don't make too much trash, or use too much electricity or water.
For example, instead of using disposable plates, cups, and utensils, you can use washable, reusable ones. This way, you don't have to throw away a lot of trash at the end of the party.
Another thing grown-ups can do is use energy-efficient light bulbs or candles that don't make too much smoke or pollution. That way, they don't use up too much energy and don't pollute the air.
Grown-ups can also recycle things like cans, bottles, and paper at the end of the party so they don't end up in the bin. They can use decorations that are made of sustainable materials, like bamboo, instead of plastic or paper that can't be reused.
Overall, sustainable event management is just like being a good friend to the environment, and making sure that the earth stays happy and healthy for many years to come.