Lots of hand labor. There are some natural alternatives available, particularly for the home gardener, but they typically are not as effective and will not eliminate the need for hand labor.
Read books or magazines on Organic Gardening for more detailed alternatives.
Some biological alternatives to the use of chemical pesticides is to use biological control agents like fungi, bacteria, or viruses.
There are many alternatives to pesticides that are naturally occurring or man made. Examples of alternatives to pesticides include; beneficial insects, wood ash, diatomaceous earth, and soap sprays.
There really are not less harmful pesticides. They are all harmful. However, vinegar is supposed to keep some pests away. There are also companies that are working on genetically modifying plants to keep bugs away or make them immune from diseases.
Not as big an issue nowadays as it used to be. Most the ones that are/were known carcinogens have gone away or more eco freindly/environmentally friendly alternatives are being used instead.
There are many alternatives for termite control that don't involve the use of chemicals. You can try adding organic material to the soil since termites prefer to inhabit soils that are low in organic matter. Encouraging the higher populations of natural termite predators such as spiders, bees, and ants is another approach.
pesticides kill insects. Pesticides contain carcinogenic ingredients. Pesticides have warning lables that say not to inhale them or make contact with their skin. You do the math.
Your moms carcinogens are in pesticides?!?!?!?!?!
Fungus does not kill pesticides, pesticides (fungicide to be exact) kill fungus.
pesticides can be grouped according to
list of alternatives
It is supposed that biopesticides are not so dangerous for the environment as artificial pesticides.
spreading pesticides with airplanes