They would rather be dependent on other countries for oil, and they really don’t need jobs.
Check it out:

Liberal environmentalists are spending a rainy Monday morning in Washington protesting outside the Capitol Hill townhouse of Louisiana Democratic Sen. Mary Landrieu over the Keystone XL oil pipeline.

According to a source on the scene Monday, protesters are standing in the yard of Landrieu’s East Capitol Street home holding signs opposing the pipeline. Protesters also brought along a mock black plastic pipeline. The source said Capitol Police and D.C. Metro Police are on the scene, but appear to be letting the protesters stand in Landrieu’s yard anyway.