The major employers of plant biologists are educational institutions, federal and state agencies, and industries. Job opportunities usually depend upon educational training and experience. New positions in botany are expected to increase at an above-average rate through the turn of the century. Growing world population continues to increase the need for better food supplies. Environmental concerns, such as air, water and soil pollution, will create openings for ecologists in government and industry. The search for new drugs and medicines and useful genes for improving crop plants will continue to create a need for botanical explorers.