Read the passage and find if the passage agrees, disagrees, or has a neutral stance on whether Global warming is caused by human activities. Answer only with keyword (a) agrees - if passage agrees with the target (b) disagrees - if passage disagrees with the target (c) neutral - if the given passage neither agrees nor disagrees with the target. You don't need to use external knowledge in this task, and you have to answer based on the given passage.

Liberated carbon makes our society possible.
neutral

The fight over planet-warming auto emissions has split the nation's auto industry.
neutral

The real evidence of change would come when investors started exiting carbon-heavy companies, especially those with no transition plan.

neutral

