TASK DEFINITION: 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.
PROBLEM: Expansion of high carbon projects such as the proposed Keystone XL tar sands pipeline will undermine the good work being done in local communities across the country to fight climate change and reduce our dependence on oil.

SOLUTION: agrees

PROBLEM: Two extremely broad propositions carbon dioxide is a "greenhouse gas," and human activity has warmed the planet to some extent tallied up the papers in their survey sample that agreed with these propositions to even the slightest degree, and manufactured the "97 percent consensus" factoid.

SOLUTION: disagrees

PROBLEM: She is advocating for violence against world leaders who dodge their responsibilities to fight climate change.

SOLUTION:
neutral