Most crops require pesticides to grow profitably. But many pesticides are too efficient at killing insects, often indiscriminately. They aim to hit specific crop pests but spray deadly fire at friendly insects and some may harm pollinators such as bees. While the plight of bees attracts attention, other less visible insects are also in peril. Recent research found that 40% of all insects are declining , and a quarter could be wiped out within a decade. ? This is not inevitable. We can c...