Quebec train carrying oil explodes, killing at least two

With all due respect and condolences to Quebecois, how awful is oil?
Can people really defend and embrace oil as opposed to clean energy with any clear conscience?

https://www.google.com/news/url?sa=t&ct3=MAA4AEgEUABgAmoCdXPYAQE&usg=AFQjCNHGL3FwhbGsRATq_GWMLNVtxV_j6Q&rt=MORE_COVERAGE&url=http://www.telegraph.co.uk/news/worldnews/northamerica/canada/10164914/At-least-one-person-dead-and-80-missing-after-train-carrying-crude-oil-explodes-in-Quebec.html&ei=1_nYUZjvAunNmQKipQE