Environmental Impacts Any transportation system will result in some 'road kill', and some pollution, be it noise pollution or actual fume or particulate pollution.  When you have vehicles such as cars, trucks, and trains moving at high speed there will be collisions with nature, and the best we can do is to either totally enclose the system which is impractical, or design a system that is environmentally friendly.  Our BorderTransportationSystem team is making all attempts to eliminate these environmental impacts on both our earth and its creatures and the BorderTransportationSystem. The last thing needed is a wild goose flying through the windshield of a vehicle doing 300 or more Miles Per Hour {MPH}. Index of ... Bird Strike prevention Chub fish preservation Flood areas Garbage collection Ground animals, where no crossings exist Low Pollution by design Noise pollution considerations Tijunana River National Estuary