In a world that each year loses up to 40 percent of its crops to insects, some form of pest control is desperately needed. But chemical pesticides have backfired. Pesticide-resistant insects frequently develop, and previously harmless insects have become devastating infestations. Farmers have found themselves trapped on a "pesticide treadmill" - the more they spray, the more they have to spray. NOVA examines several alternatives for pest control.

NOVA Season 5 Episodes...

• s05e01 - In The Event of Catastrophe
• s05e02 - The Green Machine
• s05e03 - Blueprints in the Bloodstream
• s05e04 - One Small Step
• s05e05 - The Final Frontier
• s05e06 - BaMiki BaNdula: Children of the Forest
• s05e07 - Trial of Denton Cooley
• s05e08 - The Great Wine Revolution
• s05e09 - The Case of the Ancient Astronauts
• s05e10 - The Mind Machines
• s05e11 - Icarus' Children
• s05e12 - Still Waters
• s05e13 - Battle for the Acropolis
• s05e14 - Road To Happiness
• s05e15 - Light of the 21st Century
• s05e16 - The Insect Alternative
• s05e17 - The Desert's Edge
• s05e18 - The Tse Tse Trap
• s05e19 - Memories From Eden
• s05e20 - A Whisper From Space
• s05e21 - Alaska: The Closing Frontier

NOVA Show Summary

Seen in more than 100 countries, NOVA is the most watched science based television series in the world and the most watched documentary series on PBS. It is also one of television's most acclaimed series, having won many major television awards, most of them many times over.