For birds and insects there is one thing that makes a big difference.

- Water, without water no life. The animals can drink or be born in the water, says Jessica Lyons, one of the initiators behind Richer Garden.

Even those who do not have their own garden can ensure that water is available to the animals. And anyone who has a garden can do a lot for biodiversity - by doing less, among other things.

- We clean up far too much, it's so stupid to remove rice piles for example, says Jessica Lyons.

Hear three tips on how you can help biodiversity in the clip.