Some good things would be nature itself.
There Will Come Soft Rains is a dystopian short story by Ray Bradbury. It protects itself, and its inhabitants, from wild animals and the elements.
We can start fundraisers and start a group of peaople. Also You can save animals by basically raising money.
Not the house itself, but things in the house could. If the house if filthy, insects and rodents will be attracted and can carry disease. If the house has mold, that could make you sick. Some carpeting and other fabrics used in decorating are treated with fire retardant. The odor of this retardant has make some people sick.
it can not show itself
house
Save the world
The house in "There Will Come Soft Rains" protects itself from natural elements like rain and wind, as well as potential threats such as fire, rodents, and even the presence of humans. The story highlights the house's automated defenses and routines in the absence of human inhabitants.
The Bush
It is safe to prevent some things, but, others you must not prevent.
gold and some green stuff
Some of the things that users upload can, but the site itself does not.