Where did America go? Where is the drive to build much needed infrastructure that creates jobs? It worked after the Great Depression.
Regarding California's bullet train, you can continue to look for reasons not to build it, but that's not what made this country great. Once upon a time, California would not have thought twice about moving this project forward. Now you can't swing a dead cat without hitting someone who is trying to stall it.
Yes, the environment will be affected slightly while the system is built. After that, you'll have an environmentally friendly rail system in place for future generations.