Cadmium is a heavier metal that can pose environmental and health hazards when mines, processed or discarded. Return button batteries. Ask jewelry stores, watch repair shops, camera stores, and other retailers to recycle your button batteries. Oil paint is flammable and contains volatile organic compounds that can cause air pollution and contribute to smog. Recycle motor oil.
Motor oil has trace toxins which increase after use.
Contact you local auto shop about recycling the oil. Use safer anti-freeze for your automobile. Many children and animals have died due to accidental poisoning from the usual anti-freeze which resembles punch in color and taste. When people carelessly dump their anti-freeze on the road, children and wildlife are in danger of drinking it and being poisoned. Dispose of anti-freeze responsibly.