The Tanzanian Government has approved a commercial highway which would run through 53km of the Serengeti National Park and bisect the "Great Migration" route of animals in two locations. There is a southern route that would accomplish the same goals and has been offered to be fully paid by Germany, yet has been denied by the Tanzanian President.
Even after world condemnation, all world scientists stating the devastation it will cause in the Serengeti, Tanzania's financial supporters of Germany opposing it, UNESCO threatening to remove it from a World Heritage Site, and even opposition by Tanzania citizens and tour companies, the Tanzanian Government has approved construction to begin in early 2012, about 7 months away.
There is a coordinated effort by conservation groups that may be effective in stopping it. However, if they fail, the last ditch effort would be a boycott. Below is a letter to the Tanzanian Government boycotting eco-tourism to Tanzania until the portion through the Serengeti is stopped. This letter is being signed in preparation only! At this time, DO NOT cut and paste and send it, but please sign it! If the effort to stop the highway via negotiations fails, this petition will be activated. By signing it now, it will decrease the response time in its effectiveness if it is needed.
Some news clips on the Serengeti Highway, part 1 and 2, each less than 5 minutes can be found in the link at the bottom of this description. They are very good and show a summary of the issue, including an overall map and the President's reasoning. The only way to stop it now is by telling the government it will cost them more in eco-tourism than the cost of the highway.
Part 1 is at the link below. Part 2 you click on the thumbnail below the video. It has a picture of a cloudy sky with trees.