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Some good things would be nature itself.
the future
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
anything can move but by its self only living things can move by itself
The Bush
It is safe to prevent some things, but, others you must not prevent.
gold and some green stuff